Implement
CA 1099564 A · Owner: Van Der Lely (C.) N.V. · Inventors: Van Der Lely, Cornelis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An implement is disclosed which has a frame and an operative portion mounted on the frame. The operative portion in normal operation, is rigidly connected to the frame in an operative position by locking means which, upon overload of the operative portion permits displacement of the, operative portion relative to the frame. Return means is provided for returning the operative portion to the operative position after overload. Preferably the operative portion is connected to the frame in such a way as to pivot upon overload and the return means returns the operative portion to a position determined by the locking means. The return means may comprise a resilient element which is substantially …
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 April 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 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.