Method of producing a cutting blade and cutting blade thus produced
CA 2556034 C · Owner: Tarrerias, Eric · Inventors: Tarrerias, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method of producing a blade (1) for a cutting tool such as a knife, a pair of scissors, a saw a household appliance, an electrical appliance or even an industrial machine. According to the invention the blade (1), which is made from steel or a stainless steel alloy comprises at least one cutting edge which extends along at least part of the periphery thereof. The inventive method is characterised in that it comprises the following steps consisting in: a) producing a blade body (2) having at least one free edge close to the position of each cutting edge (3); b) spraying a powder filler material with a greater hardness than that of the blade body onto at least one …
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
- Filed February 18, 2005 and granted July 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 18, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.