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Expired Canadian patentCanada

Brake bleeder valve

CA 1305643 C · Owner: Miller, Ronald J. · Inventors: Miller, Ronald J.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

EM#B03597596W, BRAKE BLEEDER VALVE, Abstract of the Disclosure A brake bleeder valve which is adapted to be temporairily and releaseably connected to a standard brake bleeder screw and/or to a threaded outlet opening in a master cylinder for quickly bleeding a wheel cylinder or caliper and/or the master cylinder is disclosed. The bleeder valve may be molded in one piece body of a flexible or resilient material, such as rubber or the like and may, utilize a duckbill type one-way valve formed therein to permit the flow of air and fluid from the item being bled but prevent the return of any air. The bleeder valve is particularly useful in bleeding automotive aircraft or, other brake systems.

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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 July 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 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.
FiledMay 23, 1989
GrantedJuly 28, 1992
Term endedJuly 28, 2009
Patent numberCA 1305643 C
Classification (IPC)B60T11/30

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedMay 23, 1989Patent grantedJuly 28, 1992Term endedJuly 28, 2009

Sources & verification

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