US 12,290,217 B2
Shower base system
Daniel J. Welch, Kent City, MI (US); and Steven Coates, Allendale, MI (US)
Assigned to Welch Tile & Marble Co., Kent City, MI (US)
Filed by Welch Tile & Marble Co., Kent City, MI (US)
Filed on Mar. 22, 2023, as Appl. No. 18/188,142.
Application 18/188,142 is a continuation of application No. 17/019,087, filed on Sep. 11, 2020, granted, now 11,617,476.
Claims priority of provisional application 62/900,305, filed on Sep. 13, 2019.
Claims priority of provisional application 62/904,414, filed on Sep. 23, 2019.
Prior Publication US 2023/0218124 A1, Jul. 13, 2023
Int. Cl. A47K 3/40 (2006.01); E03F 5/04 (2006.01)
CPC A47K 3/40 (2013.01) [E03F 5/0408 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A system comprising:
a drain including a top surface, a bottom surface, a drain hole, and a cavity formed in the bottom surface and surrounding the drain hole; and
a rotatable drain adapter disposed within the cavity, wherein the rotatable drain adapter includes an eccentric opening, and wherein a center point of the eccentric opening of the rotatable drain adapter is offset from a respective center point of the drain hole of the drain.