Method and apparatus for preparing tire tread for a retread tire
CA 2842664 A1 · Owner: Bridgestone Bandag, Llc · Inventors: Conder, Paul J.; Gridley, Jason L.; Daugherty, Estes M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a cushion gum application system. The cushion gum application system includes a rotatable hub for mounting a tire casing. The , cushion gum application system also include a drive configured to rotate the hub , and casing combination. Further, the cushion gum application system includes a cushion gum dispenser configured to stretch a length of the cushion gum substantially as the cushion gum is being applied to tire casing.
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 January 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 26, 2023.
- 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.