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Expired Canadian patentCanada

Charge canister

CA 861827 A · Owner: Her Majesty The Queen, In Right Of Canada, As Represented By The Minister Of National Defence · Inventors: Francis H. Stoyles

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

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 January 26, 1971. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 1988.
  • 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—
GrantedJanuary 26, 1971
Term endedJanuary 26, 1988
Patent numberCA 861827 A
Classification (IPC)F42B15/00 +2 more

Timeline

Timeline From CIPO dates

197219741976197819801982198419861988Patent grantedJan 26, 1971Term endedJan 26, 1988

Sources & verification

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