Magnetic projectile
CA 2107054 A1 · Owner: Harbin, John Jeffery · Inventors: Harbin, John Jeffery
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Magnetic Projectiles are known to be thrown at game targets of magnetically responsive material. In all cases the rate of adherence to target by the average person is very low and unsatisfactory. In this invention, a flexible projectile has been adapted to be projected at a surface of magnetically responsive material comprising a flexible magnetic disk and a cyclindrical shaped, light weight, flexible, resilient directional stabilizer, extending axially from the rear for holding and aiming the projectile. The magnetic disk has multiple permanent alternating North and South Poles induced on the impact side for optimal holding power on the target. The inventive projectile in combination with …
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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, and the Claude kit works from them.
Why it's free to use
- Filed September 27, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 27, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 27, 2015.
- 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.