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Expired Canadian patentCanada

Mobile apparatus for loading, transporting and laying an assembled track section

CA 1287262 C · Owner: Theurer, Josef · Inventors: Theurer, Josef; Brunninger, Manfred

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 mobile apparatus for loading, transporting and laying an assembled track section comprises a track section carrier comprising an elongated carrier frame, track section gripping and holding devices mounted on the elongated carrier frame, and two pairs of transversely opposite lifting jacks arranged on the carrier frame for lifting and lowering the carrier frame, the jacks of each pair being fixedly connected to each other and the pairs of jacks being widely spaced from each other in a longitudinal direction to provide a high stability during lifting and lowering of the carrier frame. A self-propelled auxiliary vehicle is movable independently of the track section carrier and comprises a …

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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 6, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 6, 2008.
  • 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 15, 1987
GrantedAugust 6, 1991
Term endedAugust 6, 2008
Patent numberCA 1287262 C
Classification (IPC)E01B29/02

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 15, 1987Patent grantedAug 6, 1991Term endedAug 6, 2008

Sources & verification

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