73106182
Nov 11, 1976
Jun 6, 1978
TELEPHONE INTERCOMMUNICATION SYSTEMS INCLUDING SWITCHBOARDS AND INSTRUMENTS; TELEPHONE SETS INCLUDING DIALING, SWITCHING, RINGING (SIGNALING), CORD CONNECTORS (PLUGS AND JACKS) AND COIN CONTROLLED APPARATUS; TELEPHONE SWITCHING NETWORKS USING MANUAL, ELECTROMECHANIC, AND ELECTRONIC SWITCHING UNITS; TELECOMMUNICATION NETWORKS COMPRISING MEANS FOR TRANSMITTING, RECEIVING, AND SWITCHING SIGNALS DERIVED FROM SOUND; TELEPHONE WIRING AND CABLE; AND SEMI CONDUCTING DEVICES COMPRISING TRANSISTORS, DIODES, ELECTRONIC SWITCHES AND INTEGRATED CIRCUITS; OUTSIDE PLANT PRODUCTS FOR TELECOMMUNICATIONS INDUSTRY-NAMELY, EXCESSIVE VOLTAGE PROTECTORS, CABLE TERMINATIONS AND TESTING DEVICES ESPECIALLY FOR TELEPHONES (SUCH AS CONNECTORS, TERMINALS, SPLICING DEVICES, TAPES, COMPOUNDS, AND BULDING CABLE TERMINALS); AND TERMINAL BLOCKS (SUCH AS TERMINAL BLOCK TOOLS AND CABLE FORMING SUPPORTS); INDUCTIVE AND CAPACITIVE LOCATORS, TEST SETS (SUCH AS EXPLORATORY COILS), VOLTAGE AND CURRENT TESTING DEVICES, ELECTRICAL EXPLORATORY LINE TOOLS, CAPACITIVE AND INDUCTOR PEGS, AND CABLE PAIR IDENTIFYING DEVICES; AND TELEPHONE CABLE GAS PRESSURIZING APPARATUS
Electrical and Scientific ApparatusINSTALLATION, MAINTENANCE AND REPAIR SERVICES IN THE FIELD OF TELECOMMUNICATION EQUIPMENT
Building Construction and Repair