Folding propeller with rubber hub
CA 1110926 A · Owner: Outboard Marine Corporation · Inventors: Blanchard, Clarence E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is a foldable propeller assembly adapted for connection to a drive shaft. The propeller assembly includes a propeller carrier having an open end portion defining an axially extending mounting socket for receiving the drive shaft and a hub end portion spaced from the open end portion. A pair of propeller blades are pivotally mounted on the hub end portion for movement from a folded-together collapsed position to a radially outwardly extending operative position in response to rotation of the propeller carrier and for movement from the operative position to the collapsed position in response to cessation of rotation of the propeller carrier. The assembly also includes drive …
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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 October 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 1998.
- 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.