73118529
Mar 10, 1977
Jan 26, 1982
AIRCRAFT INSTRUMENTS AND GAUGES-NAMELY, AIR TEMPERATURE AND OIL PRESSURE GAUGES, AND AMMETERS (( , MEASURING AND TESTING APPARATUS FOR BREATHING EQUIPMENT AND STRUCTURAL COMPONENTS THEREOF, )) ELECTRICAL INSTRUMENTS OF THE WHEATSTONE BRIDGE TYPE FOR DETECTING AND MEASURING EXPLOSIVE AND TOXIC GASES, AND BREATHING EQUIPMENT-NAMELY, PORTABLE AND FIXED AIR AND OXYGEN BREATHING APPARATUS, EMERGENCY ESCAPE BREATHING APPARATUS HAVING A SMOKE HOOD AND A CONTAINER CASE THEREFOR (( , SELF CONTAINED UNDERWATER BREATHING APPARATUS, )) SEAT BACK PORTABLE OXYGEN HOLDERS, MASK HOSE CONNECTIONS, DEMAND REGULATORS, MASK-MOUNTED REGULATORS, PRESSURE REGULATORS, AUDIBLE LOW PRESSURE ALARMS, THERAPEUTIC PLUG-IN COUPLINGS, OXYGEN OUTLETS, FILLER AND CHARGING COUPLINGS, PLUG-IN COUPLINGS, MANIFOLD ASSEMBLIES, CYLINDER VALVES AND TURN-ON VALVES, MASKSKS AND MASK ASSEMBLIES, FLOW INDICATORS, OXYGEN FLOW CONTROL UNITS, OXYGEN CYLINDER AND VALVE ASSEMBLIES, EXTERNAL RECHARGING VALVE ASSEMBLIES, HARNESS ASSEMBLIES, QUICK-DONNING HEAD HARNESS ASSEMBLIES, CONNECTORS, BREATHING TUBES (( , FILTER AND CONTROL ASSEMBLIES, )) OXYGEN DROP-OUT COMPARTMENT LATCHES (( AND LATCH VALVE MANIFOLDS FOR BREATHING APPARATUS, )) INHALATION AHD INHALATION-RESUSCITATION APPARATUS, AND SOLID STATE OXYGEN GENERATORS
Electrical and Scientific Apparatus