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Expired Canadian patentCanada

Axle suspensions and springing for vehicles, particularly heavy vehicles with two or more axles

CA 1302440 C · Owner: Baiker, Walter · Inventors: Baiker, Walter

CIPO record

Overview

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

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Abstract From the Canadian patent

Axle suspension for vehicles particularly heavy and special, vehicles characterized by an axle - chassis connection by means of two telescopic assemblies (2, 6, 20 21, 24, 87) substantially, comprising a telescopic cylinder (6 95) and a telescopic tube, (2, 23, 43, 54 91) displaceable therein with a working piston (20, 44, 55, 82) on one end and an articulated connection (3) on the other end, in which the telescopic cylinder (6 95), as a, mounting tube is fixedly connected to chassis (5) and the telescopic tube (2, 23, 43, 54, 91) is connected in articulated manner to axle (4), in such a way that the axle is pivotable at right angles to the vehicle, but is not rotatable about the actual …

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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 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
  • 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 2, 1988
GrantedJune 2, 1992
Term endedJune 2, 2009
Patent numberCA 1302440 C
Classification (IPC)B60G17/04

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMarch 2, 1988Patent grantedJune 2, 1992Term endedJune 2, 2009

Sources & verification

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