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Expired Canadian patentCanada

Laser processing system

CA 1210459 A · Owner: Amada Engineering & Service Co. Inc. · Inventors: Tsutsumi, Akira

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

The present invention relates to laser processing machines which can process sheet-like workpieces such as sheet metals by various methods such as cutting and piercing by use of laser beams produced by laser resonators. The apparatus includes a laser processing machine incorporating a laser generator and a laser beam cutting machine in one construction for eliminating the optical center deviation of the laser beam and the complex mirror assembly. The apparatus may include horizontal laser resonator adjustment means for eliminating the optical center deviation of the laser beam and workpiece positioning means for automatically and accurately processing the workpiece to intricate shape …

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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 26, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 26, 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 6, 1982
GrantedAugust 26, 1986
Term endedAugust 26, 2003
Patent numberCA 1210459 A
Classification (IPC)B23K26/10 +2 more

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedApril 6, 1982Patent grantedAug 26, 1986Term endedAug 26, 2003

Sources & verification

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