U.S. HOLDING COMPANY, INC., C/O ALCATEL USA CORP., 45 ROCKEFELLER PLAZA, NEW YORK, N.Y. 10111, A CORP. OF DE.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4608684 Digital switching systems employing multi-channel frame association apparatusExpiredMar 26, 84Aug 26, 86[H04Q]
D278053 Handset telephoneExpiredApr 30, 82Mar 19, 85[]
D272906 Telephone consoleExpiredAug 21, 81Mar 06, 84[D140]
4348703 Flexible magnetic disc having track marking information recorded thereonExpiredApr 02, 80Sep 07, 82[G11B]
D264338 Telephone instrumentExpiredFeb 19, 80May 11, 82[D140]
D256917 Combination telephone instrumentExpiredJan 25, 78Sep 16, 80[D140]
4201889 Distributed control digital switching systemExpiredMar 17, 78May 06, 80[H04Q]

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