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Expired Canadian patentCanada

Method and device for feeding a system for generating and distributing vapor condensable into make-up liquid

CA 1115145 A · Owner: Regamey, Pierre E. · Inventors: Regamey, Pierre E.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

In a system for producing distributing and utilizing, condensable vapor comprising at least one boiler for producing vapor and at least one vapor utilizing condenser a method, wherein provision is made for direct readmission of condensates from a condensate collecting tank into the boiler and wherein a vaporizable make-up liquid is supplied to the system for the purpose of vapor production by the boiler wherein, the entire quantity of vaporizable make-up liquid is directed to the collecting tank which ensures the whole of the feeding of the boiler with the said vaporizable liquid.

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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 December 29, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 29, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 17, 1979
GrantedDecember 29, 1981
Term endedDecember 29, 1998
Patent numberCA 1115145 A
Classification (IPC)F22D11/06 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedJan 17, 1979Patent grantedDec 29, 1981Term endedDec 29, 1998

Sources & verification

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