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Expired Canadian patentCanada

Coaxial cable tap coupler

CA 1201493 A · Owner: Ford Motor Company Of Canada, Limited · Inventors: Sherman, Richard H.; Gable, Melvin G.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A coaxial cable coupler that provides a low impedance through conductor for a passive coaxial transmission cable and a high impedance tap to periodic transmitter and receiver. The tap connection is a removable connection that is formed by a resilient electrical conductor compressed between exposed portions of the main transmission through conductor and an exposed tap conductor interconnecting the high impedance networks of the transmitter and the receiver.

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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 March 4, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 4, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 19, 1983
GrantedMarch 4, 1986
Term endedMarch 4, 2003
Patent numberCA 1201493 A
Classification (IPC)H01P5/12 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedAug 19, 1983Patent grantedMarch 4, 1986Term endedMarch 4, 2003

Sources & verification

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