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Expired Canadian patentCanada

Electrical cutout

CA 1203001 A · Owner: Westinghouse Electric Corporation · Inventors: Carothers, Charles H.; Basa, Thomas P.; Garau, John E.

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

An electrical cutout having a support insulator with a line terminal and fuse support assembly at each end, each of which includes a line terminal a fuse support, element and means for their support on the insulator and also includes a contact element more highly conductive than the other elements of the assembly that extends from line terminal to the fuse support element for a continuous highly conductive path therebetween free of mechanical joints.

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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, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 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.
FiledJanuary 19, 1984
GrantedApril 8, 1986
Term endedApril 8, 2003
Patent numberCA 1203001 A
Classification (IPC)H01H31/12 +1 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedJan 19, 1984Patent grantedApril 8, 1986Term endedApril 8, 2003

Sources & verification

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