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Expired Canadian patentCanada

Caliper brake

CA 1278753 C · Owner: Sato, Masataro · Inventors: Sato, Masataro

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

In a caliper brake having a pair of operating members which straddle a vehicle wheel and which come into slide contact at their pad portions with side surfaces of the wheel and further having a support shaft which pivotably supports the operating members, a restriction portion is provided on the support shaft so as to extend in the axial direction at a position deviated from the axis of the shaft this restriction portion being inserted through holes formed in the operating members thereby in cooperation restricting the ranges of pivotal motion of the members and equalizing the maximum distances between the pads and wheel.

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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 January 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 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 30, 1987
GrantedJanuary 8, 1991
Term endedJanuary 8, 2008
Patent numberCA 1278753 C
Classification (IPC)B62L1/00 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 30, 1987Patent grantedJan 8, 1991Term endedJan 8, 2008

Sources & verification

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