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Expired Canadian patentCanada

Vehicle frame measuring bridge including spring actuated telescoping legs

CA 1310488 C · Owner: Fergus, Dean · Inventors: Fergus, Dean; Wisner, Craig A.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A measuring bridge including extensible legs supporting the measuring bridge into position beneath a vehicle. The extensible legs each include a compression spring for upward movement into engagement with the bottom of a vehicle frame. The measuring bridge also includes apparatus for adjustably positioning the pointers of the measuring bridge to compensate for variations in the size of reference holes provided in the vehicle frame.

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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 November 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 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.
FiledSeptember 27, 1989
GrantedNovember 24, 1992
Term endedNovember 24, 2009
Patent numberCA 1310488 C
Classification (IPC)G01B3/38 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedSep 27, 1989Patent grantedNov 24, 1992Term endedNov 24, 2009

Sources & verification

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