Inflatable protective cushion
CA 1114407 A · Owner: O'Neal, Larry · Inventors: O'Neal, Larry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An inflatable protective cushion for positioning around a ski lift support pole comprises a completely flexible hollow inflatable member having an outer wall and upper and lower end portions and devices for attaching the same to the support pole. Oppositely disposed portions of said inflatable member outer wall arranged to extend between said upper and lower portions for partial engagement about the support pole and devices holding said oppositely disposed portions in engaging relation and a source of fluid pressure for inflating said inflatable member. This invention is distinguishable from others by reason of the oppositely disposed portions of the outer wall about the support pole so …
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 December 15, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 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.