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Expired Canadian patentCanada

Upper part cartridge

CA 1319137 C · Owner: American Standard Inc. · Inventors: Bergmann, Konrad

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

In a top cartridge for an individual sanitary shut-off valve, a movable sealing disk is actuated by way of a driver and a driver pin is provided, capable of being pressed-at the top into a spindle to various depths, said driver pin being welded to the driver at the bottom, and the space between driver, pin and movable disk being filled with packing material.

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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 June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 7, 1988
GrantedJune 15, 1993
Term endedJune 15, 2010
Patent numberCA 1319137 C
Classification (IPC)F16K5/04 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedOct 7, 1988Patent grantedJune 15, 1993Term endedJune 15, 2010

Sources & verification

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