Folding fan
CA 2338136 A1 · Owner: Bucher, John C. · Inventors: Bucher, John C.; Bucher, Charles E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ready to hang ceiling fans that do not require any assembly from the shipping box. A first embodiment has foldable mounting arms for each of the fan blades so, that an installer takes both the motor and pre-attached blades out of a shipping box, and allows the folded arms to unfold when the ceiling fan is being mounted. Another, embodiment has foldable blades pre-attached to mounting arms that are attached to a, motor housing. An installer simply takes both the motor and pre-attached folded, blades out of a shipping box and allows the folded blades to unfold when the ceiling, fan is being mounted. Another embodiment combines both the foldable mounting arms and blades together. 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 February 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 26, 2023.
- 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.