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Expired Canadian patentCanada

Fuel cooling device

CA 1300446 C · Owner: Fiedler, Christian · Inventors: Fiedler, Christian

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 fuel cooling device has a cylindrical housing (1) in which a tube (8), for the refrigerant is mounted which is surrounded by a spirally wound fuel tube. The tube (8) for the refrigerant has openings for penetration of the refrigerant into the inner part (2) of the housing (1). The spirally wound fuel tube assembly is constructed as a continuous tube assembly (14) which is also mainly located in the inner part (2) of the housing (1) and is led out of the housing (1) by their connecting ends.

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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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 5, 1987
GrantedMay 12, 1992
Term endedMay 12, 2009
Patent numberCA 1300446 C
Classification (IPC)F02M31/20 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedOct 5, 1987Patent grantedMay 12, 1992Term endedMay 12, 2009

Sources & verification

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