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Expired Canadian patentCanada

Ammunition round

CA 1278952 C · Owner: Sullivan, Leroy J. · Inventors: Sullivan, Leroy J.

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.

Abstract From the Canadian patent

In an ammunition round a substantially full bore diameter bullet (1) has a plurality of elongate grooves (4) either helically formed or parallel with the longitudinal axis of the bullet and a sabot (6) which has a body (7) and fingers (9) which engage with the grooves and seal the bullet in a casing (10), the sabot having a slightly larger diameter than the bullet so that the sabot is engraved by the rifling slots in the barrel through which the round is to be fired, in order to rotate the bullet. In alternative constructions the grooves contain elongate elements or a plurality of spherical elements to prevent the conically tapered slug or bullet from tilting or cocking in the barrel after …

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 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2008.
  • 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 22, 1984
GrantedJanuary 15, 1991
Term endedJanuary 15, 2008
Patent numberCA 1278952 C
Classification (IPC)F42B5/02 +2 more

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedJune 22, 1984Patent grantedJan 15, 1991Term endedJan 15, 2008

Sources & verification

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