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Expired Canadian patentCanada

Weight sensing apparatus

CA 1301783 C · Owner: Bolland, George Barry · Inventors: Bolland, George Barry

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

A weight sensing apparatus comprising first and second support means a load carrying member supported on said first and second support means a, sensing portion of the load carrying member which terminates inwardly of at least one end of the load carrying member and being disposed between said support means and therebeing at least one further portion of the load carrying member which extends away from said sensing portion beyond an adjacent one of said first and second support means towards an end of the load carrying member, a load receiving region provided on said sensing portion, at least one strain gauge positioned on the sensing portion to sense the strain in said member to provide 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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 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.
FiledJanuary 20, 1988
GrantedMay 26, 1992
Term endedMay 26, 2009
Patent numberCA 1301783 C
Classification (IPC)G01G19/04 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJan 20, 1988Patent grantedMay 26, 1992Term endedMay 26, 2009

Sources & verification

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