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Expired Canadian patentCanada

Electrical connector

CA 1097421 A · Owner: Bunker Ramo Corporation · Inventors: Kato, Matsuo; Inouye, Hiromasa

CIPO record

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

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Abstract From the Canadian patent

This invention relates to electrical connectors and more particularly to apparatus for facilitating the coupling and uncoupling of a pair of mating electrical connectors. In state-of-the-art electrical apparatuses the various, individual modules or functional groups of an apparatus are commonly electrically connected to one another by means of cables. The cables are conveniently attached by means of electrical connectors. In order to assure proper electrical connection, these electrical connectors must have a significant amount of contact pressure which leads, to a significant amount of friction and thereby a signifi-, cant amount of force is required to couple mating connectors or to …

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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 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 20, 1978
GrantedMarch 10, 1981
Term endedMarch 10, 1998
Patent numberCA 1097421 A
Classification (IPC)H01R13/62 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedMarch 20, 1978Patent grantedMarch 10, 1981Term endedMarch 10, 1998

Sources & verification

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