Striking system for hand tool
CA 2087210 A1 · Owner: Brodeur, Roger · Inventors: Brodeur, Roger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tool for striking the ground such as a shovel a, hoe or the like. the tool has a striking head,an elongated hollow handle rigidly connected to the striking head,an impact receiving means positioned inside the hollow handle and in contact with the striking head,an inertia bar slidably inserted inside the hollow handle with a top segment of the inertia bar protruding from the hollow handle at an end opposite the striking head the, inertia bar being slidable inside the hollow handle for impacting on the impact receiving means. The striking head does not have to be lifted from the ground during use.
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 13, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 13, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 13, 2015.
- 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.