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Expired Canadian patentCanada

Gelatine blasting explosive containing barium salts of polybasic acids

CA 483933 A · Owner: Imperial Chemical Industries Limited · Inventors: Arthur James Lowe; Edward Graham Cooke; James Taylor

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 June 10, 1952. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 10, 1969.
  • 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—
GrantedJune 10, 1952
Term endedJune 10, 1969
Patent numberCA 483933 A
Classification (IPC)C06B25/00

Timeline

Timeline From CIPO dates

195319551957195919611963196519671969Patent grantedJune 10, 1952Term endedJune 10, 1969

Sources & verification

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