Extending wing for a plowing bucket
CA 2259841 C · Owner: Aubin, Gilles · Inventors: Aubin, Gilles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An extending wing is provided for connection with a plow. The extending wing of this invention serves to expand the reach of a general purpose plow and, prevent the trailing of a plowed material from an end thereof. The extending wing of, this invention is further adaptable for the purpose of preventing the trailing of a, plowed material from a plow end when the plow is operated in a reverse direction.
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 January 21, 1999 and granted August 14, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 21, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 21, 2021.
- 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.