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Expired Canadian patentCanada

Force transducer

CA 1110872 A · Owner: Gould, Inc. · Inventors: Eisele, Walter H.

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

The force transducer includes an essentially symmetrical, beam flexor of generally rectangular platelike, construction, one of the edge surfaces being provided with a strain gage. A continuous, Z-shaped slotlike passage is formed through the thickness of the beam flexure between its major surface areas, with one cross bar of the "Z" preferably parallel to the edge carrying the strain gage. An enclosing housing supports the beam flexure via a pair of pin members extending through openings provided in the beam flexure and located at one side of the diagonal portion of the "Z". External forces are applied to the beam flexure via a further pin member extending through an opening provided on 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 October 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 15, 1978
GrantedOctober 20, 1981
Term endedOctober 20, 1998
Patent numberCA 1110872 A
Classification (IPC)G01L1/22

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJune 15, 1978Patent grantedOct 20, 1981Term endedOct 20, 1998

Sources & verification

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