Lawn mower activation switch
CA 2127875 A1 · Owner: Ryobi Motor Products Corporation · Inventors: Long, Charles Keith
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The switch (40) has a housing (32) adapted to receive a lever shiftable relative thereto between an ON position and an OFF position for activating an electric lawn mower. A spring (38) cooperates with the housing (32) and the activator button (36) for biasing the activator button toward the STOP position and the READY orientation. A normally open electrical switch (40) is affixed on the housing for starting the electric mower. The electrical switch (40) is closeable only when the activator button is moved to the RUN orientation. A detent cooperates with the housing and the activator button (36) when the activator button is in the RUN orientation to prevent the spring (38) from biasing the …
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 January 6, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 6, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 6, 2015.
- 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.