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Expired Canadian patentCanada

Press die clamp

CA 2094569 C · Owner: Masonite Corporation · Inventors: Vaders, Dennis H.

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 apparatus for clamping first and second separable components comprising a support member having an inclined surface fixed to the first component a, mounting stud fixed to the support member and extending therefrom, and a clamping member slidably mounted on the stud and movable between a clamping position and a detached position is provided. The clamping member is adapted to frictionally engage both the second component and the inclined surface of the support member when in a clamping position and to retain the first component adjacent to the second component during thermal expansion of the second component.

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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 April 21, 1993 and granted July 14, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 21, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 21, 2015.
  • 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 21, 1993
GrantedJuly 14, 1998
Term endedApril 21, 2013
Patent numberCA 2094569 C
Classification (IPC)B30B15/02 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedApril 21, 1993Patent grantedJuly 14, 1998Term endedApril 21, 2013

Sources & verification

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