Device for driving articles into trees
CA 2031695 A1 · Owner: Geimer, Raymond Charles · Inventors: Geimer, Raymond Charles; Curran, William A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A device for driving an article into a tree comprising a body, a passage in the body for holding a supply of articles, and a ram movable in the body through a ramming stroke for driving an article into a tree and a, return stroke. A mechanism is provided for dispensing articles, one at a time, from the supply of articles for delivery first to a preliminary position and then to a ready position for ramming engagement by the ram. The operation of the dispensing mechanism is so timed relative to the movement of the ram that each article when, dispensed, moves to the preliminary position as the ram moves through a ramming stroke to drive an article previously …
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 6, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 6, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 6, 2012.
- 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.