US PATENT SUBCLASS 178 / 75
.~ Manipulating switch
Current as of: June, 1999
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DEFINITION
Classification: 178/75
(under subclass 74) Circuits provided with manipulating switches specific to telegraphy.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers, for circuit controllers of general application.
361, Electricity: Electrical Systems and Devices,
600+, for switchboards of general application.
379, Telephonic Communications,
352+, for call transmitters; subclasses 242+ for switchboards; subclasses 422+ for switches, and subclass 302 for rotary contact switches, specific to telephone work.
