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Expired Canadian patentCanada

Steam dryers

CA 1049865 A · Owner: Babcock And Wilcox Limited · Inventors: Traiteur, Rene

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 typical embodiment of the invention is a steam drying device that has a frame with two recessed slipways spaced from each other. A first array of longitudinally disposed bars within the frame are spaced transversely from each other. The ends of the bars in this first array, moreover, are received within respective slipway recesses. There also is a second array of longitudinal bars, the ends of which are received in respective slipways the bars in both arrays being transversely spaced from each other to enable the bars to remove water droplets from the steam.

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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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 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—
GrantedMarch 6, 1979
Term endedMarch 6, 1996
Patent numberCA 1049865 A
Classification (IPC)F22B37/26 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 6, 1979Term endedMarch 6, 1996

Sources & verification

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