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Expired Canadian patentCanada

Electrical device for contacting a removable contact finger with two parallel rail walls

CA 1104685 A · Owner: Hazemeijer B.V. · Inventors: Bartels, Willem

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 contact device for electrically contacting a removable contact finger with two spaced apart parallel, rail walls, comprising two elongated mainly equally shaped, contact members mounted within a housing each contact, member comprising an intermediate curved section where, these contact members cross each other and form a hingelike construction, such that a short section of the one contact member at the one side of the cross section is mainly in alignment with a long section of the other contact member at the other side of the cross section in which the internal, opposite sides of the long sections are shaped as internally directed contact surfaces contacting the removable finger in …

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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 July 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 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.
FiledJune 8, 1978
GrantedJuly 7, 1981
Term endedJuly 7, 1998
Patent numberCA 1104685 A
Classification (IPC)H01R9/00 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJune 8, 1978Patent grantedJuly 7, 1981Term endedJuly 7, 1998

Sources & verification

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