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Expired Canadian patentCanada

Manifold for fluid distribution and removal

CA 1061227 A · Owner: Buckbee-Mears Company · Inventors: Brown, Silas A.

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 manifold is provided for use in the etching or plating of materials which continuously supplies fresh fluid to the surface of an article to be etched while continuously removing the old fluid that is adjacent the surface of the article that is to be etched. The transfer of fluid is accomplished by a plurality of sources and a plurality of funnellike sinks.

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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 August 28, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 28, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedAugust 28, 1979
Term endedAugust 28, 1996
Patent numberCA 1061227 A
Classification (IPC)B05C1/00 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedAug 28, 1979Term endedAug 28, 1996

Sources & verification

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