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Expired Canadian patentCanada

Multiport programmable digital data set

CA 1075364 A · Owner: Western Electric Company, Incorporated · Inventors: Verma, Shiv P.; Sherman, David N.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Abstract of the Disclosure, Disclosed is a programmable universal data set capable of simultaneously servicing a plurality of data terminals requiring diverse types of data sets. The universal data set comprises analog and digital buffer processors adapted for interfacing with a plurality of data terminals and with a multi-input transmission medium a high, speed digital processor having a "highly parallel" structure for computing the various elemental functions of the diverse types of data sets, and cyclic processor for controlling the operational sequence of the high speed processor to achieve the overall operation of the selected types of data sets. The cyclic processor includes means for …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted April 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedApril 8, 1980
Term endedApril 8, 1997
Patent numberCA 1075364 A
Classification (IPC)H04L27/00 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedApril 8, 1980Term endedApril 8, 1997

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.