Minefield breaching system
CA 2031335 C · Owner: Pains-Wessex Limited · Inventors: Smith, John Leslie Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordNo Claude kit for weapons
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Abstract From the Canadian patent
A minefield breaching system or apparatus and a delivery projectile therefor comprises a projectile arranged to be mounted on a rifle, light mortar or similar weapon and to be projected in a desired direction by firing a round from the weapon into the projectile; an explosive line connected directly or indirectly at one end thereof to the projectile; and detonation means arranged to be connected directly or indirectly to the explosive line at the other end thereof for detonation of the explosive line; the projectile comprising a rocket the motor of which is arranged for operational ignition upon a round from the weapon being fired into the projectile and, the projectile carrying a presence …
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
- Filed December 3, 1990 and granted July 26, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 3, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 3, 2012.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.