Rechargeable cell checker
CA 1097405 A · Owner: Union Carbide Corporation · Inventors: Kelly, William T. Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
11,369, RECHARGEABLE CELL CHECKER, ABSTRACT OF THE DISCLOSURE A portable self-contained rechargeable cell checker comprising a power source such as a battery a, cell power indicating display means such as a bulb and a switching means adapted for connecting to a rechargeable cell and then operable such that the switching means can be activated to sequentially connect the rechargeable cell to the power source so that it can receive a charge and then switched to the display means whereby the rechargeable cell is connected across said display means which will reveal where the rechargeable cell held the charge received from the power source. S P E C I F I C A T I O N 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
- Granted March 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 1998.
- 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.