Stern drive universal joint with crossed center yokes
CA 2030325 A1 · Owner: Outboard Marine Corporation · Inventors: Guinn, Douglas B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is a stern drive unit comprising an engine output shaft having an axis, a lower unit adapted to be mounted on a boat and including a drive shaft having an axis and a universal joint connecting the output shaft and the drive shaft and comprising a connecting member having an axis and including a first end comprising a first pair of spaced legs respectively including aligned first bores having respective coincident axes extending transversely of the axis of the connecting member, and a second end spaced axially from the first end and including a second pair of spaced legs respectively including aligned second bores having respective coincident axes extending transversely of …
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
- Filed November 20, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 20, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 20, 2012.
- 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.