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Expired Canadian patentCanada

Pad for disc brakes with sintered friction elements

CA 2120392 C · Owner: Frendo S.P.A. · Inventors: Russo, Sergio

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

It is proposed to mount single, cylindrical or polyhedron sintered friction elements (1) at the ends of resilient metal plates (2); said metal plates are attached to a base platen (3) in such a way that each end of said plates acts as an independently movable bracket adapted to absorb any deformation induced by thermal forces thereby enabling a uniform contact pressure to be exerted between the single friction elements and the brake disc.

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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 March 31, 1994 and granted January 15, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 31, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 31, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 31, 1994
GrantedJanuary 15, 2002
Term endedMarch 31, 2014
Patent numberCA 2120392 C
Classification (IPC)F16D69/04 +1 more

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedMarch 31, 1994Patent grantedJan 15, 2002Term endedMarch 31, 2014

Sources & verification

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