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Expired Canadian patentCanada

Multiple part insulator for flexible gas-insulated transmission line cable

CA 1101950 A · Owner: Gould Inc. · Inventors: Ponder, Jonathan Z.; Netzel, Philip C.

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 insulator disk for supporting a flexible conductor within a flexible gas-filled outer housing consists of three identical segments which latch together to form a complete disk around the central flexible conductor of the flexible cable. The outer peripheries of the three segments form a continuous outer periphery which is pressed into engagement with the interior surface of the grounded outer housing. Each of the identical segments has an extending latch at one of their outer surface ends and a latch receiving surface at the outer surface ends and a latch receiving surface at the other of their outer surface ends, wherein the extending latch of one segment latches into the …

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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 May 26, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 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 13, 1978
GrantedMay 26, 1981
Term endedMay 26, 1998
Patent numberCA 1101950 A
Classification (IPC)H01B9/04 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJune 13, 1978Patent grantedMay 26, 1981Term endedMay 26, 1998

Sources & verification

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