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Expired Canadian patentCanada

Wheel cylinder attachment

CA 1111358 A · Owner: Bendix Corporation (The) · Inventors: Borkowski, Donald F.

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 drum brake includes a wheel cylinder which cooperates with a pair of brake shoes to urge the latter to a braking position. In order to attach the wheel cylinder to a backing plate a flange is disposed in, abutment with the back plate and the wheel cylinder and a nut cooperates with the flange and the wheel cylinder to prevent separation between the wheel cylinder and the backing plate. Moreover the nut and flange, include openings for receiving a fitting communicating with the wheel cylinder. The nut extends through the flange opening to engage the wheel cylinder and the nut opening is dimensioned to receive the fitting in spaced relation thereto.

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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 October 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 28, 1979
GrantedOctober 27, 1981
Term endedOctober 27, 1998
Patent numberCA 1111358 A
Classification (IPC)F16D51/24 +1 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedMay 28, 1979Patent grantedOct 27, 1981Term endedOct 27, 1998

Sources & verification

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