Solar battery unit and solar battery device
CA 2331024 A1 · Owner: Itoh, Katsuhiro · Inventors: Itoh, Katsuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Solar battery units (2, 3) are each formed in the shape of a hollow column and at least part of its outer surface is a window (10) for receiving light. The battery units can readily be fitted to or placed on desired places directly, and good appearance can be maintained with wiring enclosed inside. Since they can be directly fixed either horizontally or vertically depending on the place where they are mounted, it is possible to fit them regardless of the angle or height of placement. If they are to be fitted on a long narrow place, solar battery units (2, 3) can be arranged longitudinally to form a solar battery device (1).
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 June 25, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 25, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 2021.
- 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.