Projectile containing a heavy core surrounded by a jacket
CA 2427675 A1 · Owner: Wold, Bjorn Erik · Inventors: Kristensen, Knut R.; Wold, Bjorn Erik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A projectile which contains a heavy core (4) surrounded by a jacket said , jacket being of plastics and is formed by two parts (1 2) with a , circumferential partition. A metal band (3) is mounted around the partition between the jacket parts and forms a guide band and the jacket parts (1) are , glued to the core (4).
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 November 2, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 2, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 2, 2023.
- 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.