Hydraulic twin-tube telescopic shock absorber
CA 1180357 A · Owner: General Motors Corporation · Inventors: Kloos, Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Twin-tube shock absorber having a discrete continuously filled fluid passage in the reservoir interconnecting the pressure cylinder and the reservoir bypassing the base valve to vary damping charaeteristics with auxiliary interchange of fluid with reduced foaming between reservoir and pressure cylinder as the shock absorber piston strokes therein.
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 January 2, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 2002.
- 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.