US 11,957,154 B2
Tobacco articles and methods
James Arthur Strickland, Richmond, VA (US); and Frank Scott Atchley, Tarpon Springs, FL (US)
Assigned to U.S. Smokeless Tobacco Company LLC, Richmond, VA (US)
Filed by U.S. Smokeless Tobacco Company LLC, Richmond, VA (US)
Filed on Feb. 18, 2022, as Appl. No. 17/675,243.
Application 16/454,970 is a division of application No. 14/152,726, filed on Jan. 10, 2014, granted, now 10,420,366, issued on Sep. 24, 2019.
Application 14/152,726 is a division of application No. 13/078,227, filed on Apr. 1, 2011, granted, now 8,627,827, issued on Jan. 14, 2014.
Application 17/675,243 is a continuation of application No. 16/747,069, filed on Jan. 20, 2020, granted, now 11,252,988, issued on Feb. 22, 2022.
Application 16/747,069 is a continuation of application No. 16/454,970, filed on Jun. 27, 2019, granted, now 10,555,551, issued on Feb. 11, 2020.
Application 13/078,227 is a continuation of application No. 11/626,211, filed on Jan. 23, 2007, granted, now 7,918,231, issued on Apr. 5, 2011.
Claims priority of provisional application 60/764,108, filed on Jan. 31, 2006.
Prior Publication US 2022/0167658 A1, Jun. 2, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A24B 13/00 (2006.01); A24B 15/18 (2006.01)
CPC A24B 13/00 (2013.01) [A24B 15/18 (2013.01); Y10T 442/2033 (2015.04)] 20 Claims
OG exemplary drawing
 
1. An non-combustible article comprising:
a porous matrix extending between a first end and a second end;
a tobacco extract within the porous matrix; and
a shell at least partially surrounding the porous matrix, the shell being impermeable to the tobacco extract.