US 12,290,104 B2
Heating element and heater assemblies, cartridges, and e-vapor devices including a heating element
Arie Holtz, Jerusalem (IL); and Isaac Weigensberg, Tekoa (IL)
Assigned to ALTRIA CLIENT SERVICES LLC, Richmond, VA (US)
Filed by Altria Client Services LLC, Richmond, VA (US)
Filed on Dec. 13, 2023, as Appl. No. 18/538,706.
Application 18/538,706 is a continuation of application No. 16/273,612, filed on Feb. 12, 2019, granted, now 11,882,878.
Application 16/273,612 is a continuation in part of application No. 15/135,930, filed on Apr. 22, 2016, granted, now 11,083,229, issued on Aug. 10, 2021.
Claims priority of provisional application 62/151,809, filed on Apr. 23, 2015.
Prior Publication US 2024/0206542 A1, Jun. 27, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A24F 40/46 (2020.01); A24F 40/10 (2020.01); H05B 3/06 (2006.01); H05B 3/14 (2006.01); H05B 3/16 (2006.01); H05B 3/44 (2006.01)
CPC A24F 40/46 (2020.01) [H05B 3/06 (2013.01); H05B 3/141 (2013.01); H05B 3/16 (2013.01); H05B 3/44 (2013.01); A24F 40/10 (2020.01); H05B 2203/013 (2013.01); H05B 2203/021 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A heater assembly comprising:
a heating element including,
a planar portion including a filament, the filament defining an air channel through the planar portion, the filament arranged so as to form a plurality of curves, the plurality of curves including a closed end, an open end, and a tip of each of the curves extending away from the air channel thereon, the tip of each of the curves including a rectangular shape,
a first lead portion, and
a second lead portion, at least one of the first lead portion, the second lead portion, or both the first lead portion and the second lead portion being coplanar with the planar portion of the heating element, the first lead portion extending into the air channel and the second lead portion extending away from the air channel; and
a support, the heating element in contact with the support such that the tip of each one of the curves rests thereon.