Spoiler torque controlled supersonic missile
CA 2031283 C · Owner: Boyadjian, Leon · Inventors: Boyadjian, Leon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A supersonic guided missile has a fuselage terminating at the front in a nose and at the rear in a base and is provided externally with fixed rear planes. At a longitudinal distance from the center of gravity is at least one spoiler mobile transversely between a configuration retracted inside the fuselage and an active configuration in which the spoiler projects laterally from the fuselage.
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 November 30, 1990 and granted May 29, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 30, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 30, 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.