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Expired Canadian patentCanada

Weighing scales recording apparatus

CA 76972 A · Owner: Lavelle, Louis V. · Inventors: Lavelle, Louis V.

CIPO record

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

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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 August 5, 1902. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 1919.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 13, 1902
GrantedAugust 5, 1902
Term endedAugust 5, 1919
Patent numberCA 76972 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190319051907190919111913191519171919Application filedJuly 13, 1902Patent grantedAug 5, 1902Term endedAug 5, 1919

Sources & verification

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