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Expired Canadian patentCanada

Self-aligning fastener system

CA 2061981 C · Owner: Magnuson, Richard C. · Inventors: Magnuson, Richard 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

A fielf-aligning fastener system incorporates a stud member fastened to a first member and a female member attached to a second panel member for fastening the first member to the panel member. The female member includes a head portion which spans an aperture of the panel and has an aperture therethrough the head portion includes leg portions which depend from the head portion which extend through the panel aperture and are engaged by a clip on the opposite side of the panel for retaining the female fastener in the aperture. The panel aperture and leg spacing are dimensioned such that the female fastener is adapted to move along a first axis of said aperture thereby allowing the female …

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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

  • Filed February 27, 1992 and granted July 7, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 27, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 27, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 27, 1992
GrantedJuly 7, 1998
Term endedFebruary 27, 2012
Patent numberCA 2061981 C
Classification (IPC)F16B21/00 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedFeb 27, 1992Patent grantedJuly 7, 1998Term endedFeb 27, 2012

Sources & verification

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