Integrated multifunctional multispectral sight assembly and method
CA 2304767 C · Owner: Cook, Lacy G. · Inventors: Cook, Lacy G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A system and a method of designing and mechanical packaging of a fully integrated multifunctional multispectral miniaturized sigh assembly (10) to allow its use on hand-held man-portable units. All the subsystems of the compact sight assembly, namely, a direct view day subsystem a CCD-based , visible TV subsystem, a staring IR night subsystem an eyesafe laser , rangefinding subsystem and a display subsystem for viewing the output of the TV or IR subsystem, are aligned and use a single telescope (12) and eyepiece (42) in order to decrease the size of the assembly. In addition each sight , assembly subsystem operates in a first and a second field of view preferably , in a narrow field of …
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 19, 1999 and granted March 11, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 19, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 19, 2021.
- 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.