Device for coupling a loader to a tractor
CA 2569799 C · Owner: Mailleux, Loic · Inventors: Mailleux, Loic
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for coupling a loader to a tractor wherein the hitching frame (1) of the loader is provided with two coupling projections (11 12) or sockets (21, 22) and a latch (14) biased by a spring (15) the coupling head (2) of the tractor is provided with two complementary coupling members and locking means (25 25'), and said latch (14) engages said locking means (25 25') to lock the load onto the tractor. Said device is characterised in that the coupling head (2) includes pre-locking means (24 24') engageable by said latch (14) in a pre-locking position in which said projections (11 12) and sockets (21, 22) are not fully coupled and the spring (15) continually urges said latch (14) into the …
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 June 6, 2005 and granted August 28, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 6, 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.