Bb bullet feeding device of toy gun
CA 2372159 A1 · Owner: Hu, Shih-Che · Inventors: Hu, Shih-Che
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordNo Claude kit for weapons
Claude doesn't help design weapons, ammunition or explosives, so this page has no Reinvent kit. To develop this one, work with a federally licensed manufacturer (many of these items are regulated) and a registered patent attorney or agent, listed on the USPTO roster.
Abstract From the Canadian patent
The present invention relates to a BB bullet feeding device of a toy gun, including a cylinder, a piston cylinder a front spring guide tube, a , piston, spring a rear spring guide tube, a nozzle, a sealing tube a bullet feeding , spring, and a trigger operation set. Thus the piston cylinder may be moved in the cylinder horizontally, and the BB bullet may be rapidly and stably pushed to a predetermined position by the restoring force of the piston spring and the bullet, feeding spring during the single rearward stroke of-the piston cylinder.
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 February 15, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 15, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 15, 2024.
- 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.