Sandwich scraper strip having a hard metal core
CA 2570517 C · Owner: Gummi Kueper Gmbh & Co. Kg · Inventors: Kueper, Roland
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a sandwich scraper strip (0) for the blade of a snowplow and provided at the top with a steel fastening neck (1) onto which a rubber body (4) having at least one embedded hard material body is molded. According to the invention, the hard material body is provided in the form of a hard metal core (6) surrounded by a steel jacket (5). This results in achieving a surprisingly high serviceable life of the sandwich scraper blade (0).
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 May 25, 2005 and granted July 30, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 25, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.