Grass trimmer
CA 2244590 A1 · Owner: Givogue, Gerry · Inventors: Regnier, Roger; Givogue, Gerry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A grass trimmer having a support shaft with reciprocating cutters at the bottom and a support wheel on the support shaft adjacent the cutters for supporting the cutters just above the ground. A hand grip on the upper end of the support shaft is used to "walk" the trimmer along the grass, rolling along on the support wheel, while the cutters are relatively reciprocated to cut grass. The cutters can be relatively reciprocated by operating a hand lever on the shaft, which, through a first drive means reciprocates one of the cutters relative to the other. The cutters can also be reciprocated by the rotation of the support wheel through a second drive means. Preferably the second drive means can …
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 August 7, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 7, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 7, 2020.
- 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.