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Expired Canadian patentCanada

Voltage supply for radio proximity fuze

CA 1002157 A · Owner: United States (Government Of The) Of America, As Represented By The Secr Etary Of The Navy · Inventors: Jacob, Carlyle W.

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 December 21, 1976. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 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—
GrantedDecember 21, 1976
Term endedDecember 21, 1993
Patent numberCA 1002157 A
Classification (IPC)F42C13/04

Timeline

Timeline From CIPO dates

197719791981198319851987198919911993Patent grantedDec 21, 1976Term endedDec 21, 1993

Sources & verification

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