US 11,668,549 B2
Muzzleloader systems
Bryan P. Peterson, Isanti, MN (US); Drew L. Goodlin, Isanti, MN (US); Erik K. Carlson, Oak Grove, MN (US); Lawrence P. Head, Cambridge, MN (US); John W. Swenson, Ham Lake, MN (US); and Sharon Jones, Dayton, MN (US)
Assigned to Federal Cartridge Company, Anoka, MN (US)
Filed by VISTA OUTDOOR OPERATIONS LLC, Anoka, MN (US)
Filed on Jun. 24, 2021, as Appl. No. 17/357,402.
Application 17/357,402 is a continuation of application No. 16/788,502, filed on Feb. 12, 2020, granted, now 11,047,660.
Application 16/788,502 is a continuation of application No. 16/044,183, filed on Jul. 24, 2018, granted, now 10,605,577, issued on Mar. 31, 2020.
Application 16/044,183 is a continuation of application No. 15/426,885, filed on Feb. 7, 2017, granted, now 10,030,956, issued on Jul. 24, 2018.
Application 15/426,885 is a continuation of application No. 14/869,619, filed on Sep. 29, 2015, granted, now 9,562,754, issued on Feb. 17, 2017.
Application 14/869,619 is a continuation in part of application No. 14/041,648, filed on Sep. 30, 2013, granted, now 9,146,086, issued on Sep. 29, 2015.
Application 14/041,648 is a continuation in part of application No. 14/041,452, filed on Sep. 30, 2013, granted, now 9,329,003, issued on May 3, 2016.
Application 14/041,452 is a continuation in part of application No. 14/041,951, filed on Sep. 30, 2013, abandoned.
Claims priority of provisional application 62/096,660, filed on Dec. 24, 2014.
Claims priority of provisional application 61/852,480, filed on Mar. 15, 2013.
Claims priority of provisional application 61/852,480, filed on Mar. 15, 2013.
Claims priority of provisional application 61/802,264, filed on Mar. 15, 2013.
Claims priority of provisional application 61/852,480, filed on Mar. 15, 2013.
Claims priority of provisional application 61/802,264, filed on Mar. 15, 2013.
Claims priority of provisional application 61/802,264, filed on Mar. 15, 2013.
Claims priority of provisional application 61/707,520, filed on Sep. 28, 2012.
Claims priority of provisional application 61/707,520, filed on Sep. 28, 2012.
Claims priority of provisional application 61/707,520, filed on Sep. 28, 2012.
Prior Publication US 2022/0049942 A1, Feb. 17, 2022
Int. Cl. F42B 30/02 (2006.01); F42B 5/24 (2006.01); F42B 14/04 (2006.01); F42B 14/02 (2006.01); F42B 12/76 (2006.01); F42B 8/04 (2006.01); F42B 5/38 (2006.01); F42B 14/06 (2006.01); F41C 9/08 (2006.01); F41C 7/11 (2006.01); F41A 9/37 (2006.01); F41A 3/58 (2006.01); F42B 12/74 (2006.01)
CPC F42B 30/02 (2013.01) [F41A 3/58 (2013.01); F41A 9/375 (2013.01); F41C 7/11 (2013.01); F41C 9/08 (2013.01); F41C 9/085 (2013.01); F42B 5/24 (2013.01); F42B 5/38 (2013.01); F42B 8/04 (2013.01); F42B 12/74 (2013.01); F42B 12/76 (2013.01); F42B 14/02 (2013.01); F42B 14/04 (2013.01); F42B 14/064 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A breech-loading muzzleloader, comprising:
a breech chamber portion comprising a breech chamber open rearwardly;
a projectile bore portion comprising a projectile bore open forwardly; and
a constriction portion between the breech chamber and the projectile bore, the constriction portion comprising a reduced diameter portion with a diameter less than a diameter of the projectile bore, the constriction portion comprising a gap between the breech chamber portion and the projectile bore portion;
wherein, when the muzzleloader is loaded for firing: the constriction portion is configured to separate a propellant cartridge mounted in the breech chamber and a projectile mounted in the projectile bore by the gap.