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Expired Canadian patentCanada

Fastener

CA 1089340 A · Owner: Eaton Corporation · Inventors: Waterson, James F.; Holton, Robert J.

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

APPLICATION OF: ROBERT J. HOLTON and, JAMES F. WATERSON FOR: FASTENER, A B S T R A C T, An improved self-retaining fastener which allows non-rotational, longitudinal insertion of an externally threaded fastener and prevents non-rotational, longitudinal removal thereof. The improved fastener includes antirotation means adapted for frontal insertion into a mounting structure means, for self-locking upon insertion into the mounting structure and, means for enhancing the locking frictional force imposed on the externally threaded fastener.

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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 November 11, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 11, 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.
FiledJune 13, 1978
GrantedNovember 11, 1980
Term endedNovember 11, 1997
Patent numberCA 1089340 A
Classification (IPC)H02G3/14 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJune 13, 1978Patent grantedNov 11, 1980Term endedNov 11, 1997

Sources & verification

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