Plastic plow capable of withstanding excessive debris impact without damage
CA 1315094 C · Owner: The Louis Berkman Company · Inventors: Ciula, James C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved blade for a snow plow is provided. The blade includes an inwardly curved, polyethylene moldboard which is secured in a prestressed and arcuate relationship to a structural frame. The frame includes inwardly curved vertically extending, transversely spaced brace members and a defined space of predetermined shape exists between the moldboard and the braces for improved snow removal by the blade.
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 March 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 2010.
- 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.