Chevron shaped battery jar bridges
CA 2314708 A1 · Owner: Hardigg, James S. · Inventors: Hardigg, James S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A battery jar for a battery cell having a plurality of plate support bridges, preferably chevron shaped, is presented. The bridges are disposed on a bottom surface of the battery jar. The bridges include a pair of legs attached, at an angle such that each leg provides structural support for each other when supporting the plates of the battery cell. Advantageously the, invention provides good resistance to columnar buckling from impact loads of the plates without requiring that the bridges be made thick relative to prior, art bridges. Therefore, migration of the residue from the plates (mud) is enhanced. Also, the invention reduces the indentation depth required over the prior art by …
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 July 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 28, 2022.
- 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.