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Expired Canadian patentCanada

Fluidic flow sensing and control apparatus

CA 1045883 A · Owner: Honeywell Inc. · Inventors: Mott, Richard C.

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

In a system to control a condition of air in a duct there is disclosed a first nozzle for issuing a jet of fluid a second nozzle for receiving a portion of said fluid depending upon the condition of the air in the duct and a circuit, arrangement for controlling a damper in the duct dependent upon the amount of fluid received by the second nozzle.

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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 January 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 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—
GrantedJanuary 9, 1979
Term endedJanuary 9, 1996
Patent numberCA 1045883 A
Classification (IPC)F24F11/04 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJan 9, 1979Term endedJan 9, 1996

Sources & verification

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