Reserve battery and its use
CA 2450508 A1 · Owner: Straver, Johannes · Inventors: Straver, Johannes
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to high energy density batteries of a reserve, type, capable of long storage lifetime. An object of this invention is to provide a reserve battery more appropriate to a projectile fuze application. In such application the battery, must be activated only when the fuze is fired. Reserve batteries as lithium, one for example, are convenient but the firing of the fuze does not ignite the activating system. So, battery false ignition could happen. This invention solves the above-mentioned drawback by using the fuze firing to trigger off the battery ignition. For this purpose this , invention, proposes a reserve battery comprising a cell-stack of electrodes with an annular …
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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 November 25, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 25, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 25, 2025.
- 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.