Storage battery and method of connecting case sealed terminals to internal electrode plates
CA 2083630 A1 · Owner: Crisler, Stephen T. · Inventors: Crisler, Stephen T.; Mix, Renard E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, In this invention lead based battery, terminal units are molded in a fluid tight manner into the main body of a polypropylene battery case so that only the outer ends of the terminal units are external to the case. The terminal units have elongated straps internal of the case slotted to receive the projecting lugs integral with positive and negative lead based electrode plates, which are interleaved with one another and with glass mat separators. After the plates and separators are installed in the main case and with the extending electrode plate lugs appropriately fitted in the slots of the straps flux, and glass beads are inserted in the void areas in a …
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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 24, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 24, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 24, 2014.
- 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.