Pushing stick and ring for same
CA 2431817 A1 · Owner: Exel Oyj · Inventors: Rosnell, Markku
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 pushing stick and a ring for the same. The stick (1) comprises a shaft (2) and a handle part (3) at the upper end of the shart (2) in order to direct a push force (F) to the stick. The lower end of the shaft (2) comprises a stick ring (5) comprising a fastening part (6) and a projection-like ring frame (7) attached to the fastening part (6). The barlike ring frame (7) is directed forwards with respect to the direction of travel (A) and its front (9) is provided with at least one spike (11). Said spike (11) then resides at a distance (C) from the central axis of the shaft (2), whereby a bending moment is directed to the ring frame (7) on account of the push …
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 December 17, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 17, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 17, 2023.
- 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.