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CA 178138 A · Owner: The West Disinfecting Company · Inventors: Marcuse, Moses Mitteldorfer

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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.

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Why it's free to use

  • Granted July 10, 1917. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 10, 1934.
  • 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 25, 1915
GrantedJuly 10, 1917
Term endedJuly 10, 1934
Patent numberCA 178138 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

1916191819201922192419261928193019321934Application filedJan 25, 1915Patent grantedJuly 10, 1917Term endedJuly 10, 1934

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

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