Battery cell tray assembly and system
CA 2430480 A1 · Owner: Douglas Battery Manufacturing Company · Inventors: Cestone, Christopher R.; Vutetakis, David G.; Wilkie, Stanley K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A battery system (100) for battery powered vehicles which utilize valveregulated, lead-acid cells (115), each cell being of the type that includes multiple positive and negative plates with separators therebetween assembled in a separate casing having exterior terminals (120 122) outside the casing , whereby the cells may be electrically interconnected. The flexible walls of the cells bulge outwardly when initially filled with electrolyte and uncompressed. The system includes a battery housing (100) having at least one restraint (230) extending horizontally between and attached to the side walls of the housing for preventing the bowing thereof the restraint dividing the , housing into …
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 November 15, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 15, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 15, 2023.
- 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.