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Expired Canadian patentCanada

Flasher accessory for gas concentrator-gas chromatograph analyzer

CA 1047792 A · Owner: Bendix Corporation (The) · Inventors: Patton, Jesse 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

An accessory for a gas concentrator-gas chromatograph system including a split heater block hinged to expose a channel shaped to receive a concentrator column. Quick detachable gas connections are aligned with the block channel facilitating rapid and convenient handling of concentrator columns when a number of similar analyses are to be conducted. - 1 -

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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 February 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 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—
GrantedFebruary 6, 1979
Term endedFebruary 6, 1996
Patent numberCA 1047792 A
Classification (IPC)B01D15/08 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedFeb 6, 1979Term endedFeb 6, 1996

Sources & verification

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