Method and apparatus for reading firearm microstamping
CA 2496917 A1 · Owner: Ohar, Orest · Inventors: Ohar, Orest; Lizotte, Todd E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
An indicia for marking on an object, such as a cartridge case (16) for , representing selected information such as identification indicia (421) , identifying the firearm (12) that discharged the cartridge (16) and methods , and apparatus for generating imprinting and reading the identification indicia (421). An indicia (421) includes a multi-dimensional array of encoded marks, including encoded marks determined by spectral encoding variables representing the selected information wherein each spectral variable representing variables, and an encoded pattern of the encoded marks is determined by algorithmic transformation of the selected information. An indicia (421) may also include …
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 18, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 18, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 18, 2025.
- 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.