Snow removal tool having an insert-molded wearstrip and method of forming same
CA 2390929 A1 · Owner: Parker, Thomas · Inventors: Parker, Thomas; Schultice, Jan E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An snow removal tool having an insert-molded wearstrip is disclosed. According to, one embodiment of the present invention the tool includes: a plastic blade , portion and a wearstrip attached to each other by insert molding. Insert molding is performed by placing the wearstrip, which has one or more openings therethrough in a recess of a mold cavity. , Plastic is injected into the mold cavity and flows through the openings in the wearstrip. Upon solidification of the plastic, the final molded product has a cutting edge of the wearstrip protruding from a front edge of said, snowtool. Preferably the wearstrip is made from galvanized steel and has a fold or ridge across it, to increase …
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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 June 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 2024.
- 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
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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.