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Expired Canadian patentCanada

Suction type hair clipper

CA 1314701 C · Owner: Paradis, Benoit · Inventors: Paradis, Benoit

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

The hair clipper comprises a hand-carriable casing having an outlet adapted to be connected to a vacuum source such, as a domestic vacuum cleaner; an intake adapted to be applied to the scalp to draw the hair into the casing; a hair-cutting assembly located across said intake and including co-acting fixed and reciprocable sets of cutting teeth. An air turbine within the casing drives the reciprocating set of teeth. An adjustable spacer assembly is carried by the casing around the clipper and adapted to engage the scalp to maintain the clipper at an adjustable distance and angle from the scalp during hair cutting. A hair trimmer is also operated by the turbine but only in advanced position.

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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 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 14, 1987
GrantedMarch 23, 1993
Term endedMarch 23, 2010
Patent numberCA 1314701 C
Classification (IPC)B26B19/20

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedAug 14, 1987Patent grantedMarch 23, 1993Term endedMarch 23, 2010

Sources & verification

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