Article and method for composite tire mold blades
CA 2301126 A1 · Owner: Jacobs, Bernard Byron · Inventors: Jacobs, Bernard Byron; Root, Richard Allen; Loney, Gregory Lee
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composite blade (10, 10A through 10F) for use in a tire cure mold on the method of fabricating the composite blade employs the steps of forming a blade blank (12) and encapsulating at least one end (14 16) in a second material by , placing the end (14 16) in a die and molding an enlarged cross section (20) of a second material around the end (14 16). Preferably the second material , is a powdered metal.
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 October 27, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 27, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 27, 2019.
- 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.