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Expired Canadian patentCanada

Vibratory electric motor and appliance embodying same

CA 1204139 A · Owner: Wahl Clipper Corporation · Inventors: Wahl, Gregory S.; Babel, Raymond H.

CIPO record

Overview

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

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Abstract From the Canadian patent

A vibratory electric motor and appliance embodying same contemplates a pair of shallow pan members which are reversely secured together by means of peripheral portions thereof. The pan members have spaced and aligned generally parallel portions within the peripheral portions which cooperate to mount the vibratory motor. The latter is more or less conventional except that the armature leg which is spaced by a gap from the pole faces of the core-coil assembly has an enlarged width about equal to the spacing between the parallel portions of the pan members. Each side of this widened armature leg has a pair of spaced projections which respectively enter apertures in the parallel portions of the …

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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 6, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 6, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 9, 1984
GrantedMay 6, 1986
Term endedMay 6, 2003
Patent numberCA 1204139 A
Classification (IPC)H02K33/00

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedFeb 9, 1984Patent grantedMay 6, 1986Term endedMay 6, 2003

Sources & verification

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