Rubber bushing
CA 1316551 C · Owner: Firma Carl Freudenberg · Inventors: Schwerdt, Hans-Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rubber bushing, for example used in supporting internal combustion engines, has an outer tube enclosing an inner tube with a radial spring therebetween and an elastic body which is adhesively engaged with the inner tube and the outer tube, located in an intermediate space between the inner tube and the outer tube, is made of elastic rubber material and includes at least three sections which interconnect the inner tube with the outer tube. At least one of these sections is in at least part of its longitudinal extent and between the inner and outer tube completely traversed by a gap, which extends substantially parallel to the longitudinal direction of the inner and outer tubes. An insert …
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 April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
- 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.