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Expired Canadian patentCanada

Method and apparatus for determining the weight and moisture content of materials

CA 1068515 A · Owner: Proctor And Schwartz · Inventors: Hine, Edwin W. (Ii)

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 present invention relates to a novel and improved apparatus for controlling or obtaining the actual weight of materials which are charged to a receptacle or other receiving means such as a shipping container. The present invention also resides in a novel apparatus for simultaneously determining the weight and moisture content of such materials.

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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 December 25, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 25, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedDecember 25, 1979
Term endedDecember 25, 1996
Patent numberCA 1068515 A
Classification (IPC)G01R27/26 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedDec 25, 1979Term endedDec 25, 1996

Sources & verification

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