External power supply device
CA 2362327 A1 · Owner: Ootori, Yasuhiro · Inventors: Ootori, Yasuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable game machine can selectively use a battery or an external power source as a power source. An external power supply device when driving the , portable game machine using the external power source connects the external , power source and the portable game machine to each other. The external power supply device is provided with a plug body and a power line. The plug body is formed in roughly the same shape as the button battery and is attached , detachably to a battery attachment part. Additionally the power line extends , from the plug body and is connected to the external power source.
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 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 2022.
- 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.