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Expired Canadian patentCanada

Inside loader for road traffic, designed as a semi- trailer for a semi-tractor, especially for transporting plate glass

CA 1256407 A · Owner: Fahrzeugbau Langendorf G.M.B.H. & Co. Kg · Inventors: Wegner, Alfons

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 transporter, for transporting plate glass or the like of, the type which is commonly known as an inside loader. The inside loader may be in the form of a road going trailer for a semi-tractor. The loader has a chassis having parallel longitudinal members, on the outside of which are located the axles of one side of the trailer. The axles are individually mounted on axle rocker arms supported by gas pressure springs which when filled, serve as, axle shock absorbers and in their empty condition are used to load or unload a transport rack. At least one axle pair is designed as a lifting axle, in that each of the two axle rockers is equipped with a crank arm and a crank drive which, with the …

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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 June 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 27, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 12, 1985
GrantedJune 27, 1989
Term endedJune 27, 2006
Patent numberCA 1256407 A
Classification (IPC)B60P1/00 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedJuly 12, 1985Patent grantedJune 27, 1989Term endedJune 27, 2006

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