US PATENT SUBCLASS 178 / 76
.~ Retarded closer
Current as of: June, 1999
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DEFINITION
Classification: 178/76
(under subclass 74) Telegraph circuits having devices for closing the circuits after they have been left open or for gradual closing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
104, for self-closing telegraph keys.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers,
33+, for retarded circuit controllers of general application, and subclass 108 for retarded latch trip electromagnetically actuated circuit controllers. 335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,
59+, for retarded or delayed action electromagnetically actuated circuit controllers and subclasses 172+ for retarded latch trip means for electromagnetically actuated circuit controllers.
