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Expired Canadian patentCanada

Tris(difluoraminomethyl)amine

CA 810709 A · Owner: United States Government Represented By The Secretary Of The Navy · Inventors: James B. Parker

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 April 15, 1969. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 1986.
  • 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—
GrantedApril 15, 1969
Term endedApril 15, 1986
Patent numberCA 810709 A
Classification (IPC)C06B43/00

Timeline

Timeline From CIPO dates

197019721974197619781980198219841986Patent grantedApril 15, 1969Term endedApril 15, 1986

Sources & verification

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