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Expired Canadian patentCanada

Hydrogen compressor

CA 1182985 A · Owner: Mpd Technology Corporation · Inventors: Golben, Peter M.; Rosso, Matthew J. Jr.

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

Discloses a hydrogen compressor having two series of chambers or hydride containers specifically located in a pair of jackets adapted to contain flowing heat exchange liquid, e.g. water. The series of chambers are connected through a check valve arrangement and flow of hot and cold water through said jackets is controlled by a timing means.

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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 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 11, 1983
GrantedFebruary 26, 1985
Term endedFebruary 26, 2002
Patent numberCA 1182985 A
Classification (IPC)F17C11/00 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMay 11, 1983Patent grantedFeb 26, 1985Term endedFeb 26, 2002

Sources & verification

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