US 11,733,010 B2
Method of making a metal injection molded ammunition cartridge
Lonnie Burrow, Carrollton, TX (US)
Assigned to TRUE VELOCITY IP HOLDINGS, LLC, Garland, TX (US)
Filed by TRUE VELOCITY IP HOLDINGS, LLC, Garland, TX (US)
Filed on Dec. 7, 2021, as Appl. No. 17/544,113.
Application 17/544,113 is a continuation of application No. 16/800,196, filed on Feb. 25, 2020, granted, now 11,231,257.
Application 16/800,196 is a continuation of application No. 16/017,142, filed on Jun. 25, 2018, granted, now 10,612,896, issued on Apr. 7, 2020.
Application 16/017,142 is a continuation of application No. 14/863,800, filed on Sep. 24, 2015, granted, now 10,041,770, issued on Aug. 7, 2018.
Application 14/863,800 is a continuation of application No. 14/011,202, filed on Aug. 27, 2013, granted, now 9,546,849, issued on Jan. 17, 2017.
Application 14/011,202 is a continuation of application No. 13/292,843, filed on Nov. 9, 2011, granted, now 8,561,543, issued on Oct. 22, 2013.
Claims priority of provisional application 61/456,664, filed on Nov. 10, 2010.
Prior Publication US 2022/0090887 A1, Mar. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. F42B 5/02 (2006.01); B29C 45/00 (2006.01); F42B 5/26 (2006.01); F42B 5/285 (2006.01); F42B 5/36 (2006.01)
CPC F42B 5/02 (2013.01) [B29C 45/0046 (2013.01); F42B 5/26 (2013.01); F42B 5/285 (2013.01); F42B 5/36 (2013.01)] 9 Claims
 
1. A method of making a metal injection molded ammunition cartridge comprising the steps of:
providing an ammunition cartridge mold comprising a bottom portion having a primer recess extending into the bottom portion adapted to receive a primer, a flash hole positioned in the primer recess through the bottom portion; side walls extending from the bottom portion to a nose end aperture, wherein a propellant chamber is formed between the nose end aperture and the bottom portion;
injecting a metal composition into the ammunition cartridge mold to form a metal injection molded ammunition cartridge; and removing the metal injection molded ammunition cartridge from the ammunition cartridge mold.