Expired Canadian patentCanada
Noise absorber for drive shafts
CA 1319325 C · Owner: Saygan, Miguel · Inventors: Miller, Keith M.; Veselica, Gary M.; Saygan, Miguel
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drive shaft has a noise absorber consisting of a rubber cup-shaped element inserted in the drive shaft and a plastic insert that presses the cup-shaped element against the interior wall against the drive shaft.
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 June 22, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 22, 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.
FiledSeptember 12, 1988
GrantedJune 22, 1993
Term endedJune 22, 2010
Patent numberCA 1319325 C
Classification (IPC)F01N1/10 +2 more
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.