Shaving apparatus
CA 1107490 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Tietjens, Eduard W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
10.1.1979 PHN 9156, ABSTRACT:, The invention relates to a shaving apparatus comprising a drivable cutting unit with cutters, each cutter being equipped with a lead cutter which leads in the direction of driving and which is movable relative to the cutter. The lead cutters serve to slightly pull the hairs, so that a better shaving result can be obtained. The distance over which the hairs can be moved is limited by the shape and dim?n sions of the cutter and the lead cutter and by the properties of the hairs and the skin. It is the object of the invention to eliminate this restriction and this leads to a construction in accordance with which each cutter, in addition to the said first lead …
Read the whole patent
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 August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 1998.
- 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.