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Expired Canadian patentCanada

Unitized vehicle measuring gauge and gauging system

CA 1237889 A · Owner: Hogg, John W. · Inventors: Hogg, John W.

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

John Wesley HOGG ABSTRACT, A gauge which in its preferred form consists of two vertical members and two cross bars with means for relatively adjusting the relative position of the cross bars on the vertical members is disclosed. Each of the cross bars also carries a pair of threadable castings together with a reversely threaded screw which, on rotation, moves the threadable casting toward and away from the centre of each cross bar. When a plurality of such gauges are employed one located in each, of preselected cross-sectional planes of a vehicular body the, dimensions of the body relative to datum references and from the gauge can be determined and thereupon whether the vehicle be damaged …

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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 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 1, 1985
GrantedJune 14, 1988
Term endedJune 14, 2005
Patent numberCA 1237889 A
Classification (IPC)G01B3/30 +1 more

Sources & verification

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