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Expired Canadian patentCanada

Method for adjusting a vacuum brake booster output member relative to a master cylinder piston

CA 1235445 A · Owner: Allied Corporation · Inventors: Putt, James 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

A vacuum brake booster is coupled to a master cylinder at the same time that an output member for the vacuum brake booster is adjusted relative to a piston for the master cylinder. The adjustment is carried out by a plunger adapted to activate a bonding material for bonding the plunger to the output member.

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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 April 19, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 19, 2005.
  • 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 20, 1985
GrantedApril 19, 1988
Term endedApril 19, 2005
Patent numberCA 1235445 A
Classification (IPC)B60T1/00 +1 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedMarch 20, 1985Patent grantedApril 19, 1988Term endedApril 19, 2005

Sources & verification

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