Conversion module system
CA 1262473 C · Owner: Chase, Frank · Inventors: Chase, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A two piece, detachable enclosure of four "D" size rechargeable nickle-candmium batteries, connected in series within an, embodiment in which said batteries are converted to a lantern battery size 6 volt rechargeable module and in which the four, "D" size batteries are insertable and/or removeable at will by the user, operable in any device which generally powered by a 6 volt carbon-zinc or alkaline throwaway lantern battery providing, longer lasting energy use by periodical recharging and easy, replacement of said four "D" size batteries when their energy is exhausted.
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
- Granted October 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 24, 2006.
- 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.