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Expired Canadian patentCanada

Apparatus and method for aligning a horizontal metal extrusion press

CA 2294696 C · Owner: Ettinger, Raymond L. Jr. · Inventors: Pierce, James H.; Ettinger, Raymond L. Jr.

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Abstract From the Canadian patent

A laser apparatus and method for aligning a horizontal metal extrusion press. The apparatus comprises a scanning laser and scanning laser target, one or more spindle lasers and spindle laser targets, a data acquisition station and adapters for mounting the lasers and targets. The method comprises the steps of leveling and aligning the components of the horizontal extrusion press in parallel, square and aligned relationship with respect to each other. Alignments are preferably performed with the extrusion press at its operating temperature. The selections as to which press members are used for locating the lasers and targets are necessary requirements for proper alignment of the press …

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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 January 11, 2000 and granted August 12, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 11, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 11, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 11, 2000
GrantedAugust 12, 2003
Term endedJanuary 11, 2020
Patent numberCA 2294696 C
Classification (IPC)B21C23/00 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedJan 11, 2000Patent grantedAug 12, 2003Term endedJan 11, 2020

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