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Expired Canadian patentCanada

Hand fired rocket

CA 554642 A · Owner: Kilgore · Inventors: Robert S. Long; Herbert C. Clauser

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 March 18, 1958. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 18, 1975.
  • 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—
GrantedMarch 18, 1958
Term endedMarch 18, 1975
Patent numberCA 554642 A
Classification (IPC)F42B15/00

Timeline

Timeline From CIPO dates

195919611963196519671969197119731975Patent grantedMarch 18, 1958Term endedMarch 18, 1975

Sources & verification

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