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Expired Canadian patentCanada

Flow monitor

CA 1309875 C · Owner: Kobold, Klaus · Inventors: Kobold, Klaus

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

The invention relates to a flow monitor (1) arranged on a conduit section (2) through which the medium to be monitored is flowing, with a flow pressure plate (3) of an actuating element (5) which extends through an opening in the wall of the conduit section, with the flow pressure plate placed in the flow path of the medium. The actuating element (5) is mounted on a support plate and works against the force of a spring while the deflect-, able other end projects into the housing (7) elevated above the opening (4) in the conduit section (2) whereby the housing (7), may be detached from the conduit section. The end of the actuating element (5) projecting into the housing is equipped with a …

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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 November 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 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.
FiledDecember 9, 1987
GrantedNovember 10, 1992
Term endedNovember 10, 2009
Patent numberCA 1309875 C
Classification (IPC)G01F1/28 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 9, 1987Patent grantedNov 10, 1992Term endedNov 10, 2009

Sources & verification

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