US PATENT SUBCLASS 178 / 78
.~ Portable sets

Current as of: June, 1999
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178 /   HD   TELEGRAPHY

77  DF  COMBINED INSTRUMENTS {1}
78.~ Portable sets

DEFINITION

Classification: 178/78

(under subclass 77) Compact arrangements of telegraph instruments or sets combining devices and connections for tapping lines and transmitting or receiving messages.

SEE OR SEARCH CLASS

379, Telephonic Communications,

419+, for telephone sets.

439, Electrical Connectors, for a detachable connector adapted to be permanently secured to a connector; and see especially

477+, for an overhead line type connector having a handle or manipulating means.