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Expired Canadian patentCanada

Spring hinge with a damper

CA 1295444 C · Owner: Vuksic, Zeljko B. · Inventors: Vuksic, Zeljko 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

The present invention refers to a hinge for doors having a spring with a damper, being made up by two cylindrical bodies fixed respectively with the plates for anchoring to the door and frame respectively. One of said cylindrical bodies constitutes a water-tight chamber, by means of closure and caps inside which is, placed a piston axially related with the cylinder by means of longitudinal guides which prevent rotation of the piston. Said piston presents an axial threaded pitch through which it is left, mounted in a spindle with a coarse thread pitch which spindle, forms the extreme part of an axial shaft which passes through a central perforation of one of the closure caps of said …

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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 February 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 11, 2009.
  • 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 23, 1987
GrantedFebruary 11, 1992
Term endedFebruary 11, 2009
Patent numberCA 1295444 C
Classification (IPC)E05F3/20

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJune 23, 1987Patent grantedFeb 11, 1992Term endedFeb 11, 2009

Sources & verification

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