Dry-shaving apparatus
CA 1270632 C · Owner: Wijma, Willem S. · Inventors: Wijma, Willem S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Dry shaving apparatus. The invention relates to a dry-shaving apparatus comprising a housing with a holder for a shear plate formed with hairentry apertures and comprising a cutter which is rotatable about an axis of rotation, which cutter comprises a carrier with cutting elements which are movable in a substantially radial direction relative to the carrier, which cutting elements comprise cutting edges at their radial ends. During rotation of the cutter as part of a revolution each point of the cutting edge of a cutting element follows a constrained path defined by the shear plate and when the ends are clear of the shear plate a free path in the form of a first circular arc. The shear …
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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 June 26, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.