Flexible hose
CA 1072461 A · Owner: Kanao, Shiro · Inventors: Kanao, Shiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flexible hose comprising a hose main body formed from a rubber strip wound into helical coils rigidly joined together and a linear reinforcement of rigidresin disposed in contact with the strip in a manner to have a thickness between the reinforcement and the inner surface of the helically wound strip. The reinforcement is bonded to the intergral homogeneous rubber portion of the strip.
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 February 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 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.