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Expired Canadian patentCanada

Release agent application system for a heated fuser roll

CA 1065957 A · Owner: Xerox Corporation · Inventors: Connolly, Douglas P.; Mccarroll, Alan F.

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

Applicator structure for applying toner offset preventing liquid to a heated fuser roll structure for fusing toner images to copy sheets. The applicator structure comprises a wick member and support therefor wherein the support is characterized by having a plurality of concave surfaces each of which can cooperate with the fuser roll structure to retain a different portion of said wick member in engagement with said fuser roll structure. The support is adapted to be manually repositioned relative to the fuser roll so that each of the concave surfaces can be disposed opposite the fuser roll structure.

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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 November 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 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—
GrantedNovember 6, 1979
Term endedNovember 6, 1996
Patent numberCA 1065957 A
Classification (IPC)G03G15/20

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedNov 6, 1979Term endedNov 6, 1996

Sources & verification

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