Fuel cell
CA 1187134 A · Owner: Hitachi, Ltd. · Inventors: Tonami, Munehiko; Okabe, Sigeru; Okada, Hideo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fuel cell comprising a pair of electrodes and an electrolyte body comprising an electrolyteretainable material and an electrolyte retained in the electrolyte-retainable material, the electrolyte body being provided between the pair of electrodes characterized by the electrolyte body being integrated with at least one of the pair of the electrodes. The fuel cell has a good sealing between the electrodes and the electrolyte body.
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 May 14, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2002.
- 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.