Footwear
CA 1112863 A · Owner: Ro-Search, Incorporated · Inventors: Auberry, Horace
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1, Abstract of the Disclosure, Ventilated footwear formed of an upper of impermeable material having its lower margin spaced from the upper surface of the sole, whether inner or tread sole, and socklining to provide, a space for ventilation, and the upper is secured to the sole by means including a rim of permeable material.
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
- Granted November 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 1998.
- 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.