SK
Mark Identification

SK

Serial Number

97021425

Filing Date

Sep 10, 2021

Registration Date

Jun 6, 2023

Trademark by

SK INC.

Active Trademark

Classification Information

Optical lenses of glass; processed ultraviolet-ray transmitting optical glass not for building; processed infrared-ray absorbing optical glass not for building; glass covered with an electrical conductor; slide rules; abacuses; electric locks; betatrons; particle accelerators; magnetic agitators for use in laboratories; scientific and technical apparatus, namely, optical mirrors for inspecting work; reflectors for microscopes; optical lenses; optical lamps for multimedia projectors; objective optical lenses; correcting optical lenses; optical measuring apparatus for non-medical use, namely, apertometers; metallurgical microscopes; laboratory equipment, namely, microtomes; telescopes; spectroscopes; biological microscopes; binoculars; concave optical mirrors; stereoscopes; periscopes; zoom microscopes; optical condensers for microscopes; astronomical telescopes; light projectors in the nature of slide projectors; polarizing microscopes; prisms for scientific purposes; diffraction apparatus for microscopes; sighting telescopes for firearms; magnifying glasses; spectrograph apparatus, namely, astronomical spectrographs; video cameras; slide projectors; camcorders; heliographic apparatus, namely, emergency warning lights; video screens; projection screens; sound recording apparatus and instruments for use in cinematography, namely, film cameras; movie projectors; reflectors for use in photography; cinematographic cameras; measuring devices and apparatus, namely, gas meters, tape measures, planimeters, thermometers not for medical purposes, water meters, scales, measuring rules, accelerometers, altimeters, acoustic meters, photometers, actinometers, luminoflux meters, refractometers, barometers, densitometers not for medical use, urinometers not for medical use, saccharometers, ergometers not for medical use, dynamometers, densimeters, variometers, acid hydrometers, noise meters, speed indicators, speed checking apparatus for vehicles in the nature of speedometers, tire pressure gauges that indicate low tire pressure, hygrometers, sulphitometers, alcoholmeters, pressure gauges, pressure indicators, pressure measuring apparatus, level indicators in the nature of spirit levels, hydrometers, dosimeters, calorimeters, salinometers, lactometers, acidimeters for batteries, viscosimeters, illuminometers, coordinate measuring devices, vibration meters, logs for use in measuring a ship's speed through the water, namely, speed indicators, polarimeters, revolution indicator, angle gauges, slope indicators, length measuring gauges, screw-thread measuring machines and instruments, screw-tapping gauges, micrometer gauges, comparators, slide calipers, vacuum gauges, surface roughness testing machines and instruments; automatic humidity control apparatus in the nature of humidistats; automatic pressure control machines and instruments; automatic liquid level control machines and instruments; automatic liquid-flow control machines and instruments; automatic heat control apparatus in the nature of thermostats; automatic combustion control machines and instruments; thermostats; rubber testing machines for testing or measuring elasticity; concrete testing machines for measuring the strength of concrete structures; balance testers, namely, balance testers in the nature of scales and balances; metallic material testers for testing the hardness of metal; lumber testers for testing the density of lumber; torsion testers; metal compression testers; ductility testers; tension testers; distance recording apparatus; distance measuring apparatus; theodolites; metal detectors for industrial or military purposes; meteorological balloons; magnetic needles for meteorological observation instruments; aerometers; compasses; azimuth instruments, namely, surveying instruments; pedometers; photogrammetric machines, namely, analysis instruments for photographic purposes; rods for water diviners; mileage recorders for vehicles, namely, odometers; marine depth finders; water level indicators; spirit levels; level measuring machines for surveying; leveling rods for surveying; alidades; egg timers; rain gauges; sextants; artificial meteorological instruments, namely, thermometers not for medical purposes and barometers; magnetic compasses; meridian transit telecsopes; magnetic gyrocompasses; gyrocompasses; parking meters; electronic equipment for mine detection; earth thermometer; seismographic apparatus, namely, seismographs; zenith telescopes; measuring glassware; surveying chains; targets for leveling rods for surveying; sounding lines; rod-floats for measuring velocity of water current; tachometers; electronic taximeters; transits for surveying; octants; anemometers; wind socks for indicating wind direction; marine compasses; dust-proof optical glasses; optical glasses with a handle; swimming goggles; goggles for sports; contact lenses; containers for contact lenses; adding machines; cash registers; punched card machines for offices, namely, punch clocks; photo-copying machines; manual calculators; false coin detectors, namely, coin acceptors for separating good coins from counterfets; electric calculators; totalizators; credit card terminals; time recorders; time stamping machines; voting machines; automatic cash sorting and counting machines; money counting and sorting machines; electronic desk calculators; metered gasoline pumps for gas stations; life nets; life buoys; safety equipment, namely, safety nets, safety tarpaulins, and resuscitation mannequins; transmitters for emitting distress signals; fire extinguishing apparatus, namely, fire blankets, sprinkler systems for fire protection, fire extinguishing bombs, gas leak alarms; flame sensors; smoke sensors; heat sensors; sound alarms, namely, personal security alarms; alarm bells; fire alarms; safety products, namely, reflecting discs to be worn on the body for the prevention of traffic accidents; emergency warning lights in the nature of blinking signaling lights; reflective articles for the prevention of traffic accidents, namely, reflective mirrors; luminous or mechanical traffic signal devices, namely, traffic lights; luminous or mechanical traffic signaling panels in the nature of reflectors for traffic signals; luminous or mechanical road signs; luminous or mechanical safety signaling panels; luminous or mechanical safety display panels; luminous or mechanical signaling panels; luminous signs; safety equipment, namely, luminous beacons; luminous vehicle breakdown warning triangles; divers' masks; earplugs for divers; oxygen tanks for scuba diving; life saving rafts; fire boats; satellites; fire engines; electrified fences for raising cattle; egg-candlers; electrolysers; rheostats; electric relays; electric circuit closers; illumination regulators in the nature of stage lighting regulators; electrical connection boxes; automatic switchboards; electricity distributing boards; electricity distribution boxes; electricity branch boxes; electricity cell switches; solenoid valves; electricity inductors; induction voltage regulators; electricity terminals; electricity transformers; electric switches; electricity armatures; electric resistance wires; electric contacts; current limiters; connectors for electric lines; electric wire connectors; voltage surge protectors; chargers for electric batteries; current rectifiers; commutators; electricity control panels; lighting ballasts; electric phase modifier; circuit breakers; condensers; storage battery chargers; fuses; lightning arresters; electric circuit closers; dry cells; batteries; photovoltaic cells; wet cells; electric batteries; solar batteries; galvanometers; antenna parameter measuring apparatus; oscillators; oscillographs; electrical phase indicators; magnetic meters and testers; resistance measuring devices; watt hour meters; electric loss indicators; detectors for electromagnetic measurement; watt meters; ammeters; voltmeters; radio wave meters; frequency meters; circuit testers; fiber optic cables; bare electrical wires; power cables; coaxial cables; electric cables; electric wires; electrical ducts; telegraph wires; telephone wires; junction sleeves for electric cables; electric junction boxes; electric terminal boxes; telecommunications cables; rubber covered electrical wires; electric buzzers; electric door bells; electric hair-curlers; electrically heated socks; video telephones; manual switching apparatus for telecommunication; interphones; automatic switching apparatus for telecommunication; telephone sets; telephone transmitters; telephone receivers; telephone answering machines; speaking tubes; phototelegraphy apparatus; manual telegraph apparatus; teletypewriters; automatic telegraph apparatus; telecommunication switches, namely, transit switches; teleprinters; facsimile machines; open-wire transmission machines and apparatus; apparatus for transmission of communication, namely, carrier repeater machines and apparatus; apparatus for transmission of communication, namely, voice frequency transmission machines and apparatus; power-line transmission machines and apparatus; cable broadcast transmission machines and apparatus; radio transmitters; radio receivers; video cameras for broadcasting; radios incorporating clocks; audio-video receivers; telecommunication transmitters; television transmitters; television receivers; prompters for televisions; satellite television receiving apparatus, namely, satellite television receivers; apparatus for transmission of communication, namely, fixed multi-channel communication apparatus; apparatus for transmission of communication, namely, fixed single channel communication apparatus; marine radio communication machines and apparatus; walkie-talkies; satellite navigation apparatus for vehicles; satellite navigational equipment, namely, global positioning systems; car antennae; radio pagers; communications apparatus for aircraft, namely, aeronautical radio communication machines and apparatus; portable telephones; portable telecommunication instant messaging devices; radar apparatus; navigation apparatus for vehicles; telemetering controllers; sound recorders; record players; megaphones; video disc players; digital video recorders; juke boxes for music; sound recording apparatus; acoustic conduits; sound transmitting apparatus; sound reproduction apparatus; acoustic couplers; electric phonographs; acoustic diaphragms; audio processing equipment, namely, electricity limiters; cassette players; compact disc players; loudspeaker apparatus and instruments, namely, loudspeakers, loudspeaker cabinets, and loudspeaker systems; digital versatile disc players; MP3 players; radar detectors; smoke detectors; blank record disks; microphones; modems; masts for wireless aerials; electrical transformers for telecommunication apparatus; voltage surge protectors for telecommunication apparatus; antennas; plug adaptors; blank audio-video compact disc; electric coils; holders for electric coils; electrical impedance choking coils; pickups for telecommunication apparatus; headphones; Geiger counters; optical character readers; downloadable computer operating programs; notebook computers; laptop computers; computer mouses; mouse pads; microprocessors; bar code readers; light-emitting electronic pointers; video game cartridges; lasers not for medical purposes; x-ray producing apparatus and installations not for medical purposes; cyclotrons; vehicle drive training simulators, namely, simulators for the steering and control of vehicles; hydrophone machines and apparatus; scanners; word processors; blank magnetic disks; magnetic encoders; magnetic object detectors; demagnetizing apparatus for demagnetizing ferrous magnetic tapes; electronic notice boards; monitoring apparatus, namely, electric and electronic video surveillance installations; electronic theft prevention apparatus, namely, theft alarms not for vehicles; electronic photocopiers; electronic agendas; electronic pens; electron microscopes; electronic circuit machines for learning, namely, handheld personal computers for learning; central processing units; seismic exploration machines and apparatus; ultrasonic flaw detectors; ultrasonic sensors; computers; computer memories; computer monitors; disk drives for computers; wrist rests for use with computers; magnetic tape drives for computers; juke boxes for computers; printers for use with computers; computer keyboards; electronic test and measurement devices for use in the fields of networks and telecommunications, namely, cable checking panels used to test and certify new and existing data and voice communication cables and coaxial cables; plotters; pocket calculators; electronic pocket translators; personal digital assistants; phototubes; radio thermionic valves; cathode-ray tubes; x-ray tubes not for medical purposes; electric discharge tubes other than for lighting; thermionic lamps and tubes; electron guns used for scientific and laboratory purposes; rectifier tubes; amplifying tubes; vacuum tubes for radios; automatic electronic sensors for tracking solar radiation; electric sockets; anodes; cathodes; magnetic cores; decorative magnets; electrodes; covers for electric outlets; electrical plugs; electronic downloadable musical sound recordings; prerecorded audiotapes of music; prerecorded videotapes of music; stylus needles for record players; apparatus for changing record player needles; speed regulators for record players; tone arms for record players; hand-operated phonographs; prerecorded compact disc of music; magnetically encoded credit cards; magnetically encoded key cards; magnetically encoded railroad tickets; pre-paid telephone calling cards, magnetically encoded; alkaline batteries; cable TV converters; car communication telephones; charge coupled device cameras; cold cathode fluorescent ray tubes, not for lighting; color filters for liquid crystal displays; blank magnetic computer tapes; measuring instrumentation and apparatus, namely, digitizers; electric and electronic control systems for machines; electrical deflection coils; electrical deflection yoke; electroluminescent displays; electronic field emission displays; electronic flash gun; electronic optical character readers; electronic view-finder tubes; ferrite magnetic cores for rotary transformers of video cassette recorders; filters for filtering electro-magnetic waves to prevent interference; liquid crystal displays; liquid crystal display projectors; matrix blanks for liquid crystal displays; plasma display panel; cellular phones; thin film coated glass substrate for liquid crystal display as computer parts; thin film matrix for televisions; magnetic pens

Electrical and Scientific Apparatus