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Expired Canadian patentCanada

Apparatus and method for casting straps on battery cell elements

CA 1209318 A · Owner: Gnb Batteries Inc. · Inventors: Wolf, Alby H.; Benson, Cory D.; Zais, Michael G.

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Abstract From the Canadian patent

Apparatus and Method for Casting Straps on Battery Cell Elements", A method and apparatus for casting straps onto the plate lugs of battery cell elements. The apparatus includes a rotatably indexable table having a plurality of mold and element carrying stations which each are successively indexed through a plurality of operating stations, including an element loading station, an element lug alignment station a molten-metal, pouring station, a lug fluxing station a casting, station, a plurality of mold cooling stations and an, element unloading station. The mold of each table station is adapted for efficient and precisely controlled electrical resistance heating and forced-air cooling …

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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

  • Granted August 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 12, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 22, 1983
GrantedAugust 12, 1986
Term endedAugust 12, 2003
Patent numberCA 1209318 A
Classification (IPC)H01M50/52 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedApril 22, 1983Patent grantedAug 12, 1986Term endedAug 12, 2003

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.