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Expired Canadian patentCanada

Method and apparatus for the manufacture of a terminal for a lead-acid type accumulator and a terminal manufactured therewith

CA 2584533 C · Owner: Accuma Plastics Limited · Inventors: Gibellini, Folco

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method of manufacturing a lead terminal for an accumulator by plastic deformation on a cold-working apparatus that has a shaping station (2) and at least one deformation station (30, 40, 50 60, 80) by shaping, at the shaping , station a slug (7) that has a longitudinal extension along a longitudinal axis such as to provide base (9) and contact (8) parts for the terminal and a size commensurate with the size of the terminal end piece to be manufactured; transferring the slug (7) to the deformation station (30 40, 50, 60, 80); , carrying out a first deformation of the slug (7) for inner and outer shaping of its base part (9); and carrying out a second deformation of the slug (7) for …

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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 14, 2005 and granted October 2, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 14, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 14, 2005
GrantedOctober 2, 2012
Term endedNovember 14, 2025
Patent numberCA 2584533 C
Classification (IPC)B21K21/08 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 14, 2005Patent grantedOct 2, 2012Term endedNov 14, 2025

Sources & verification

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