US 11,913,213 B2
Modular adjustable linear shower drain system
David D. Larson, Arvada, CO (US)
Assigned to MLW INVESTMENTS L.L.C., Longmont, CO (US)
Filed by MLW Investments L.L.C., Longmont, CO (US)
Filed on Sep. 16, 2022, as Appl. No. 17/946,836.
Application 17/946,836 is a continuation of application No. 16/988,081, filed on Aug. 7, 2020, granted, now 11,454,017.
Claims priority of provisional application 62/884,257, filed on Aug. 8, 2019.
Prior Publication US 2023/0085447 A1, Mar. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. E03F 5/04 (2006.01)
CPC E03F 5/0408 (2013.01) [E03F 2005/0413 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A shower drain system, comprising:
a drain interface adapter configured to interface with a drain pipe at an installation site;
a linear trough interconnected to the drain interface adapter at one end of the drain interface adapter;
a drainage slope insert configured to be disposed in a channel of the trough, wherein the drainage slope insert slopes from a first dimension to a shorter second dimension at the drain interface adapter; and
a grill comprising a plurality of screws configured to rotate and, in response to rotation, adjust an install height of the grill within the linear trough.