U.S. federal trademark · Serial No. 73697998 · Reg. No. 1783877
KEY TELEPHONE SYSTEMS COMPRISED OF TELEPHONES, TELEPHONE APPARATUS AND PARTS THEREOF PRIMARILY FOR SUCH USES AS RECEIVING AND PLACING LOCAL AND LONG DISTANCE TELEPHONE CALLS, PROVIDING INTERCOM COMMUNICATION FROM ONE TELEPHONE TO ANOTHER WITHIN THE SYSTEM, PROVIDING AUTOMATIC SELECTION AMONG DIFFERENT LONG DISTANCE TELEPHONE ALTERNATIVES, PROVIDING SPEAKERPHONE OPTION, PROVIDING SPEED DIALING OF FREQUENTLY CALLED PHONE NUMBERS, PROVIDING THE ABILITY TO RECORD DATA; NAMELY, DATE, TIME AND PHONE NUMBER DIALED AND WHICH STATION PLACED OR RECEIVED CALL, ON INCOMING AND OUTGOING CALLS, PROVIDING DISPLAY ON INSTRUMENT SHOWING TIME AND PHONE NUMBER DIALED
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