US 11,730,196 B2
Nicotine electronic vaping device including a reservoir assembly
John H. Miller, Richmond, VA (US); and Christopher S. Tucker, Midlothian, VA (US)
Assigned to Altria Client Services LLC, Richmond, VA (US)
Filed by Altria Client Services LLC, Richmond, VA (US)
Filed on Jul. 15, 2020, as Appl. No. 16/929,710.
Prior Publication US 2022/0015421 A1, Jan. 20, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A24F 40/42 (2020.01); A24F 40/485 (2020.01); A24F 40/44 (2020.01); A24F 40/10 (2020.01)
CPC A24F 40/42 (2020.01) [A24F 40/44 (2020.01); A24F 40/485 (2020.01); A24F 40/10 (2020.01)] 21 Claims
OG exemplary drawing
 
1. A reservoir assembly for a nicotine e-vaping device, the reservoir assembly comprising:
an outer shell including,
a first opening, and
a second opening, an inner surface of the outer shell at least partially defining a reservoir configured to hold a nicotine pre-vapor formulation, the nicotine pre-vapor formulation including nicotine;
a wick extending from an interior of the reservoir to an exterior of the reservoir, the wick configured to draw the nicotine pre-vapor formulation held in the reservoir to the exterior of the reservoir;
a first membrane covering the first opening, the first membrane including
one or more layers of a fabric that is liquid impermeable and air permeable;
and
a second membrane covering the second opening, the second membrane including one or more layers of a second fabric that is liquid impermeable and air permeable, the first opening and the second opening on opposite sides of the outer shell.