Systems, apparatus and methods for bonding and/or sealing electrochemical cell elements and assemblies
CA 2390949 C · Owner: Diaz, Francisco Enrique Rivera · Inventors: Einhart, Johann; Ryssel, Hubert; Kirby, Christopher Todd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus, systems, and methods for bonding one element of an electrochemical cell or cell stack to another wherein a sealing grove with a complex , cross-sectional shape receives and retains a bead of adhesive prior to being assembled. , The complex cross-sectional shape has a raised portion sized to receive and retain the , bead of adhesive, and at least one depressed portion to receive adhesive displaced from , the raised portion during assembly. Embodiments of the invention incorporate raised , portions with straight, beveled curved, and rough surfaces to increase the strength of , the bond between the respective elements.
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 June 19, 2002 and granted June 7, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 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.