End-plate assembly of an electrochemical cell of the polymer electrolyte membrane construction type
CA 2440762 A1 · Owner: Kueter, Uwe · Inventors: Kueter, Uwe; Hoeller, Stefan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The end-plate assembly clamps an electrochemical cell or a stack of electrochemical cells with a polymer electrolyte membrane construction in , addition to forming the contact. An end plate (1) consisting of a synthetic material or metal, which is used to introduce the compressive forces into the cells or the cell stack, is provided. The end plate (1) is provided with a compensation layer (5) in the vicinity of the cell which evens out the force , introduction into the cell or the stack over the surface. The compensation layer (5) is covered with an electrically conductive layer (6) in order to , form the electric connection (7) to the cell. The electrically conductive layer (6) is …
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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 March 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 2024.
- 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.