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Expired Canadian patentCanada

Electromagnetic flowmeter having internal field coils

CA 1050115 A · Owner: Sybron Corporation · Inventors: Vidmantas, Eugene

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, An electromagnetic flowmeter having its field coils inside a flow tube through which conductive fluid passes. The tube has a lining of material which is appropriate to the nature of the fluid. The coils are contained within boxes which are fixed to the inner wall of the flow tube and embedded in or, under the lining 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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 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—
GrantedMarch 6, 1979
Term endedMarch 6, 1996
Patent numberCA 1050115 A
Classification (IPC)G01P5/08 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 6, 1979Term endedMarch 6, 1996

Sources & verification

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