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Expired Canadian patentCanada

Chest-mounted breathing gas terminal block assembly

CA 2083208 C · Owner: Crome, Victor P. · Inventors: Crome, Victor P.

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 pneumatic terminal block assembly worn by a pilot couples breathing gas from a regulator to the pilot's breathing mask. An emergency breathing gas supply attached to the pilot's seat remains with the pilot during ejection and supplies high pressure breathing gas to an emergency regulator which is part of the terminal block assembly. The emergency regulator on the terminal block is coupled to the emergency breathing gas supply by a small diameter high pressure hose which is not susceptible to tearing or kinking during ejection caused by the blast of oncoming air.

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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

  • Filed November 18, 1992 and granted October 14, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 18, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 18, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 18, 1992
GrantedOctober 14, 1997
Term endedNovember 18, 2012
Patent numberCA 2083208 C
Classification (IPC)A62B7/14

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedNov 18, 1992Patent grantedOct 14, 1997Term endedNov 18, 2012

Sources & verification

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