Snow shovel
CA 1075073 A · Owner: Union Fork And Hoe Company (The) · Inventors: Bonnes, David R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A snow shovel including a handle and a one-piece plastic scoop so formed of a minimum amount of material as to resist wear and breakage effectively. It has a self-sharpening reinforcing leading edge, a reinforcing flange at the remainder of its peripheral edge, a series of laterally-spaced reinforcing ribs extending from the leading edge rearwardly and a centrally-, disposed reinforcing keel or rib on its back surface extending from the leading edge to its handle-receiving socket. It also has crush ribs in the socket to allow for handle dimensional variations, prevent rotation of the scoop on the handle and, maintain a snug fit. -i-
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 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 1997.
- 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.