Retreading mold
CA 1084220 A · Owner: Macmillan, Kenneth T. · Inventors: Macmillan, Kenneth T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A retreading mold including a pair of relatively movable platens each carrying a matrix and a bead aligner wheel with the bead aligner wheels being in opposed relationship to each other, an annular bladder having first and second innermost peripheral marginal portions in overlying relationship upon first and second of the bead aligner wheels, first means for creating a hermetically sealed annular gap between a terminal edge of said first innermost peripheral marginal portion an outboard portion of said first innermost peripheral marginal portion and said first bead aligner wheel and, second means for creating a hermetically sealed annular gap between a terminal edge of said second innermost …
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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
- Granted August 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 26, 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.