Two-speed forward and reverse self-propel system for walk-behind mowers
CA 1099929 A · Owner: Outboard Marine Corporation · Inventors: Fuelling, William, Jr.; Heismann, Richard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is a self-propelled lawn mower including a blade housing, a plurality of wheels adapted for supporting the blade housing at least, one of the wheels being adapted to serve as a drive wheel, a blade mounted for rotation within the blade housing, a prime mover supported on the housing a, drive shaft mounted for rotation relative to the housing and adapted for connection to the drive wheel for driving the drive wheel, and a transmission means mounted on the blade housing. The transmission means includes a rotatable first gear drivingly connected to the prime mover, a pair of driven gears rotatably mounted in meshing engagement with the first gear and driven by the first gear …
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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 April 28, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 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.