Reduced energy training cartridge for self-loading firearms
CA 2594867 C · Owner: Huffman, Rick · Inventors: Huffman, Rick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordNo Claude kit for weapons
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Abstract From the Canadian patent
A two piece, two-stage, rechargeable, reusable reduced-energy mechanically , operating cartridge is provided for launching a bullet from a firearm. The cartridge unit is comprised of a primary case (2) a piston sleeve (4), a , propellant unit and a bullet (6). Cartridge includes a piston sleeve (4) and a primary case (2) coupled together via a channel and cog locking/traveling/unlocking system. Upon activation of the cartridge within the chamber of the firearm, the piston sleeve (4) and primary case (2) telescope apart, forcing the firearm's slide or bolt to the rear a mechanical , operation as opposed to a conventional cartridge with gas blow back operations. Spent cartridge is …
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 March 15, 2004 and granted August 12, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 15, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 15, 2026.
- 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.