Short range/intermediate range laser defense against chemical and biological weapons
CA 2255362 C · Owner: Livingston, Peter M. · Inventors: Livingston, Peter M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A intermediate range/short range laser defense system (10) for use against chemical and biological submunitions (36). The system includes a source (12) of a high power laser beam (14) which is directed by a beam steering device (16). The beam steering device (16) is controlled by a processor (20) which generates control signals (22) for orienting the beam steering device (16) to the control the laser beam (18). The processor (20) operates in a LACROSST mode which enables detection of the submunitions (36). The processor (20) receives tracking information from a detector (26) and tracker (24). The processor directs the laser beam ( 18) towards a centroid (40) of a dispersion pattern or cloud …
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 9, 1998 and granted November 20, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 9, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 9, 2020.
- 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.