Self-cleaning extensible snow brush and flexible scraper
CA 2917911 C · Owner: Lafleur, Andre · Inventors: Lafleur, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided an extensible snow brush comprising a handle portion a bristled portion slidably movable along a longitudinal axis of the handle portion for reciprocating between a fully retracted position and a fully extended position and comprising at least one row of bristle bunches. A comb device is provided at a distal end of the handle portion whereby longitudinal movement of the bristled portion with respect to the handle portion causes the comb device to successively impact adjacent the bristle bunches and to impart vibratory oscillation thereto so as to provide mechanical bristle cleaning.
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 August 2, 2006 and granted October 24, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 2, 2026.
- 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.