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Expired Canadian patentCanada

Solid propellants with a high combustion rate

CA 784635 A · Owner: Nitrochemie G.M.B.H. · Inventors: Stanislaus Blotz; Manuel S. Arias; Wilhelm Oversohl

CIPO record

Overview

Drawings and full text

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

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Read the whole patent

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.

Why it's free to use

  • Granted May 7, 1968. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 1985.
  • 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—
GrantedMay 7, 1968
Term endedMay 7, 1985
Patent numberCA 784635 A
Classification (IPC)C06B25/00

Timeline

Timeline From CIPO dates

196919711973197519771979198119831985Patent grantedMay 7, 1968Term endedMay 7, 1985

Sources & verification

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