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Expired Canadian patentCanada

Anaerobic resin curing system

CA 1087043 A · Owner: Westinghouse Electric Corporation · Inventors: Kauffman, Robert N.; Smith, James D. B.

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

Anaerobic resins are cured in a gaseous atmosphere which does not contain oxygen. An insulated conductor is placed in a vacuum and is impregnated with an anaerobic resin under pressure. The conductor is then placed in a non-oxygen containing atmosphere, such as nitrogen which, cures the resin.

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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 October 7, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 7, 1997.
  • 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 29, 1977
GrantedOctober 7, 1980
Term endedOctober 7, 1997
Patent numberCA 1087043 A
Classification (IPC)H01B3/44 +2 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedMarch 29, 1977Patent grantedOct 7, 1980Term endedOct 7, 1997

Sources & verification

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