PAR MICROSYSTEMS CORP. A NY CORP.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4956836 Automatic bypass system for ring type local area networkExpiredMar 28, 88Sep 11, 90[H04J]
4723208 System and method for communication between nodes of a closed loop local communication pathExpiredApr 18, 86Feb 02, 88[G06F]
4604693 System and method for communication between nodes of a closed loop local communication pathExpiredOct 24, 83Aug 05, 86[G06F]
4430700 System and method for communication between nodes of a closed loop local communication pathExpiredJul 31, 81Feb 07, 84[G06F, H04J]
D267491 Modular computer system CRTExpiredNov 05, 79Jan 04, 83[D140]
D267092 Modular computer system consoleExpiredNov 05, 79Nov 30, 82[D140]
D264971 Modular computer system printerExpiredNov 05, 79Jun 15, 82[D140]

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