73326786
Sep 4, 1981
Sep 11, 1984
[ Chemical Products Used in the Manufacture of Dental Devices-Namely, Wetting Agents and Solutions for Wetting Wax Patterns So Investment Slurry Will Wet Patterns for Mold Making, Fluxes for Control of Oxides in Casting and in Soldering (Brazing); Pickling Solutions for Removing Oxide Scale from Metal Surfaces After Casting Dental Devices ]
ChemicalsAbrasive Blasting Compounds for Cleaning Metal Surfaces in the Dental and Jewelry Industries, Cleaning Solutions for Use in the Dental and Jewelry Industries and Polishing Compounds for Polishing Cast Metals in the Dental and Jewelry Industries
Cosmetics and Cleaning PreparationsDental Materials for the Preparation of Fillings-Namely, Casting Alloys, Direct Filling Gold (Pure Gold and Alloy), Solder (Brazing) Alloy for Making Connections Between Cast Restorations, Matrix Foil, Surface Modifiers, Mercury, Porcelain, Porcelain Liquids, Porcelain Separators and Sealers; and Plastic or Wax Patterns for Forming Molds Used to Cast Dental Appliances
PharmaceuticalsMetallic Materials-Namely, Primary Nickel-, Iron- and Tin-Based Alloys for Use in Various Electrical, Electronic and Chemical Industry Fabrications; Casting Accessories for Metals-Namely, Molding Flasks (Investment Rings) for Holding Investment Around Wax or Plastic Patterns to Form Casting Molds, and Attachments to Provide Mechanical Linkage Between Cast Restorations
Metal Goods[ Sand/Air Blasting Machines for Cleaning Metal Surfaces, Vibrator Machines for Assuring Flow of Investment Slurry Around Patterns, Casting Machines with Heating Capability for Causing Molten Metal to Flow into Molds and Hand Held Air Driven Grinding Tools for Shaping and Sizing Cast Dental Devices or Jewelry ]
Machinery[ Hand Tools-Namely, Quartz Stirring Rods for Stirring Molten Metal Before Casting and Fuel-Air or -Oxygen Torches for Melting Alloys or Soldering (Brazing) ]
Hand Tools[ Instruments for Semiquantitatively Detecting Mercury in the Environment and Spoon Type Instruments for Volumetrically Measuring Powders Such as Porcelain or Plastic Used in the Fabrication of Dental Devices ]
Electrical and Scientific ApparatusDental Instruments and Appliances-Namely, Gold Alloy and Aluminum Temporary Crowns to Be Used by Patient While Permanent Device Is Being Constructed, Pure Gold and Gold Alloy Plate for Construction of Dental Devices, Gold Alloy and Stainless Steel Wire for Orthodontic Use, Gold Alloy and Stainless Steel Wire for Construction of Dental Devices, Instruments for Holding Gold Direct Filling Material in a Flame to Burn off Impurities Before Application to a Prepared Cavity, Instruments for Preparing a Shade Tab of Porcelain to Observe Fired Shade, and Firing Stands to Hold Porcelain/Metal Dental Units During the Firing Operation
Medical Apparatus[ Crucibles for Holding Metal Being Melted, Electric Furnaces for Burning Wax or Plastic Patterns, Electric Furnaces for Firing Porcelain on Metal and Air Filtering Units and Filtering Cartridges for the Removal of Mercury Vapor from the Surrounding Atmosphere ]
Environmental Control ApparatusPrimary Gold- Silver- Palladium- and Platinum-Based Alloys for Use in Various Electrical, Electronic and Chemical Industry Fabrications
JewelryEducational Materials-Namely, Books, Manuals, Pamphlets and Brochures Concerning Tools and Materials Used in Fabricating Dental Devices
Paper Goods and Printed Matter