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Expired Canadian patentCanada

Single handle faucet valve

CA 1234328 A · Owner: United States Brass Corporation · Inventors: Hayman, Dennis J.

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

Abstract of the Disclosure In a single handle faucet valve of a type wherein a stem is interconnected with a control member so that movement of the stem moves the control member to vary hot and cold water mix and flow rate and wherein the stem includes a stem ball and there is provided bearing means for the stem ball, there is disclosed stem sealing means that is novel and advantageous.

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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 March 22, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 22, 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.
FiledNovember 23, 1984
GrantedMarch 22, 1988
Term endedMarch 22, 2005
Patent numberCA 1234328 A
Classification (IPC)F16K11/06 +2 more

Timeline

Timeline From CIPO dates

1985198819911994199720002003Application filedNov 23, 1984Patent grantedMarch 22, 1988Term endedMarch 22, 2005

Sources & verification

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