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Expired Canadian patentCanada

Fastener

CA 1286131 C · Owner: Trw Inc. · Inventors: Fucci, Joseph G.

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

FASTENER, (Abstract of the Disclosure) A quarter-turn fastener adapted for selective connection to a support member through a generally rectangular opening. The disclosed fastener comprises a body having a head and an axially elongated rigid, shank. Extending radially outward from the shank are two series of resilient leg members. The leg members in each series are axially spaced and configured to be readily deflectable toward the head but to offer substantial resistance to deflection away from the head. Wing-like stop members are joined to the shank at positions spaced circumferentially of the leg members for centering the fastener in the opening and limiting its rotation about the axis of …

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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 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 3, 1987
GrantedJuly 16, 1991
Term endedJuly 16, 2008
Patent numberCA 1286131 C
Classification (IPC)F16B15/06 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 3, 1987Patent grantedJuly 16, 1991Term endedJuly 16, 2008

Sources & verification

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