Plastics cartridge case and plastics cartridge case-belt magazine
CA 2074439 A1 · Owner: Dynamit Nobel Aktiengesellschaft · Inventors: Jena, Hans; Ballreich, Kurt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A plastics cartridge case and plastics cartridge case-belt magazine, A cartridge case (23) is composed of a plastics casing body (16) and a plastics cover (20). Accommodated in the casing body (16) is a first receiving chamber (46) for accommodating an ignition charge (52) and a second receiving chamber (48) for accommodating a propellent charge composition (60). A flexible plastics ignition pin (30) connected to the cover (20) is plunged into the first receiving chamber (46). When there is pressure action caused on the rear end (40) of the ignition pin (30) by a striker (66) the pin is moved forward into the first receiving chamber (46), its pointed front striking end (32) acting on the …
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 July 22, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 22, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 22, 2014.
- 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.