Camouflage process for protecting a military object, equipped with a heat imaging device, and camouflage particles for its implementation
CA 2103740 C · Owner: Buck Werke Gmbh & Co · Inventors: Bannasch, Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A process to camouflage a military object which emits infrared radiation from another military object includes forming a wall of particles having a known distribution density between the two military object. The particles emit or absorb infrared radiation from a known surface area. The distribution density, surface area and distances between each device and the wall are such that the wall masks the military object to be camouflaged yet does not mask the other military object.
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 August 10, 1993 and granted June 10, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 10, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 10, 2015.
- 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.