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Expired Canadian patentCanada

Saboted light armour penetration round with improved powder mix

CA 1323247 C · Owner: Bourgeois, Tom Joseph · Inventors: Bourgeois, Tom Joseph

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An improved propellant powder mix for a small caliber plastic saboted, light armour penetrator round comprises a charge of unrolled spheroidal powder having a specific energy density of at least 350,000 ft./lbs./lb. with an average grain diameter from about .0100 inches to .0250 inches, and a volumetric propellant charge loading density of at least 95%.

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 October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 5, 1989
GrantedOctober 19, 1993
Term endedOctober 19, 2010
Patent numberCA 1323247 C
Classification (IPC)F42B14/06 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 5, 1989Patent grantedOct 19, 1993Term endedOct 19, 2010

Sources & verification

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