System for ground-anchoring a missile launcher
CA 2100344 C · Owner: Crepin, Roger · Inventors: Bredy, Thierry; Crepin, Roger
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
ystem for anchoring a projectile launcher in the ground; the launcher consists of a tubular body (2) containing at least a projectile to be launched (18) and a propelling charge (12) and has at least one anchoring element (8) which is driven into the ground when the projectile is shot. The anchoring element (8) can move between an initial position away from the ground where it it is held by the body (2) of the launcher (1) by means of a temporary fastening device (10) and a second position where it is driven into the ground. The anchoring elelment (8) moves automatically from the first to the second position under the pressure resulting from gas produced by the expansion of the propelling …
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, 1992 and granted July 1, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 3, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 3, 2014.
- 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.