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Expired Canadian patentCanada

Automatic system for assembly and welding metal sheet bodies, particularly car bodies, suitable for high mass production

CA 1264533 C · Owner: Di Rosa, Gaetano · Inventors: Di Rosa, Gaetano

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An automatic system for the production of metal sheet bodies, preferably car metal bodies. The automatic system is comprised of a plurality of forming-welding assemblies contained in stores so that they can be preselected and carried each in correspondence with an assembly station where the body components are fed handled and, assembled by means of welding through the intervention of a pair of said assemblies respectively positioned on opposite sides of said body.

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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 January 23, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 25, 1985
GrantedJanuary 23, 1990
Term endedJanuary 23, 2007
Patent numberCA 1264533 C
Classification (IPC)B23K37/04 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedMarch 25, 1985Patent grantedJan 23, 1990Term endedJan 23, 2007

Sources & verification

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