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Expired Canadian patentCanada

Reinforced turret materials

CA 992779 A · Owner: Etat Francais Represente Par Le Delegue Ministeriel Pour L'Armement · Inventors: Saintours Payerne, Bruno; Mechulam, Andre; Gay-Chatain, Guillaume

CIPO record

Overview

Drawings and full text

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

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No Claude kit for weapons

Claude doesn't help design weapons, ammunition or explosives, so this page has no Reinvent kit. To develop this one, work with a federally licensed manufacturer (many of these items are regulated) and a registered patent attorney or agent, listed on the USPTO roster.

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 July 13, 1976. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 1993.
  • 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—
GrantedJuly 13, 1976
Term endedJuly 13, 1993
Patent numberCA 992779 A
Classification (IPC)F41H5/22

Timeline

Timeline From CIPO dates

197719791981198319851987198919911993Patent grantedJuly 13, 1976Term endedJuly 13, 1993

Sources & verification

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