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TELECOMMUNICATIONS SYSTEM FOR TRANSFERRING CALLS WITHOUT A PRIVATE BRANCH EXCHANGE

08/145,122 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Nov. 3, 1993
Examiner SCOTT WOLINSKY
Class 379
Art Group 2601
Patent No. 5,463,684
Case Type Utility - 379/202000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 4 years, 10 months ago
Date # Transaction