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Expired Canadian patentCanada

Combination insulating sleeve and electrical contact member for electoplating rack

CA 1095853 A · Owner: Essex Group, Inc. · Inventors: Durocher, Gideon A.

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

A pressure sensitive electrical contact member which surrounds a first electrical conductor and completes an electric connection between the first conductor and a second electrical conductor in response to relative pressure exerted thereon by the two conductors. As an example, the pressure sensitive electrical contact member may be used as an insulating sleeve which surrounds that portion of an electro-plating rack upon which the articles to be plated are supported. The sleeve includes a pressure sensitive electrical contact portion which is normally nonconductive but becomes conductive when the article to be plated is placed on the rack so as to complete an electrical connection between …

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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 February 17, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 17, 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 10, 1978
GrantedFebruary 17, 1981
Term endedFebruary 17, 1998
Patent numberCA 1095853 A
Classification (IPC)C25D17/00 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedMarch 10, 1978Patent grantedFeb 17, 1981Term endedFeb 17, 1998

Sources & verification

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