US PATENT SUBCLASS 137 / 800
WITH CLOSURE
Current as of: June, 1999
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DEFINITION
Classification: 137/800
(under the class definition) Subject matter wherein the device is provided with removable cap or similar closing means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
232+, for tire valve stems with cap.
296, and 371, for covers for hydrants and valve and meter wells.
377+, for guards and shields associated with distribution systems, especially subclass 382 for valve guards which prevent access to the valve but do not cut off fluid flow.
583+, for closures for access openings for distribution systems.
613+, for single flow path devices with serial valves and/or closures. SEE OR SEARCH CLASS
138, Pipes and Tubular Conduits,
89+, for closures and plugs for pipes.
220, Receptacles,
200+, for receptacle closures and see the notes collected in the definition of subclass 200 for a complete search on closures.
222, Dispensing,
544+, especially subclasses 546, 551, 552, and 554 for flow controllers or closures for dispenser openings.
