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Expired Canadian patentCanada

Anti-static clothes dryer

CA 1310824 C · Owner: Moser, Scott · Inventors: Moser, Scott

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 clothes dryer with a rotary drum in which fabric materials are tumbled and subject to heated air flows is adapted to remove static from the material generated by tumbling action and heat. Conductive caps are formed over the internal ribs normally provided in the drum. The caps are electrically connected to a conductive band extending around the exterior of the drum. The conductive band is contacted by a carbon brush. The carbon brush is connected to the ground line of an electrical main thereby dissipating static charges developed in the clothing. -10-

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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 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 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.
FiledSeptember 29, 1989
GrantedDecember 1, 1992
Term endedDecember 1, 2009
Patent numberCA 1310824 C
Classification (IPC)H05F3/00 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedSep 29, 1989Patent grantedDec 1, 1992Term endedDec 1, 2009

Sources & verification

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