Bathtub drain box

The ornamental design for bathtub drain box, as shown.

FIG. 1 is a top plan view of a bathtub drain box.

FIG. 2 is a side and bottom perspective view of a bathtub drain box.

FIG. 3 is a front and bottom perspective view of a bathtub drain box; and,

FIG. 4 is rear and bottom perspective view of a bathtub drain box.

Patent	Priority	Assignee	Title
1222123,
2672152,
3593344,
4338688,	Aug 05 1980	ELBERT L PETTY,; PETTY, LLOYD F ,; PETTY, ROBERT M ,	Enclosure for tub drains
4646370,	Jan 23 1986	Kohler Co.	Shroud for lavatory trap
7325565,	Mar 23 2005	Mizpah LC	Backflow valve
8387652,	Feb 25 2009	Lavelle Industries, Inc.	Water saver fill valve and assembly
D372077,	Jun 21 1995	WATERTITE PRODUCTS, INC	Undersink protective enclosure
D393700,	Jun 21 1995	WATERTITE PRODUCTS, INC	Protective undersink enclosure
D505188,	Apr 10 2003	Kohler Co.	Sink
D680633,	Sep 08 2011		Plumbing pipe protective cover

Executed on

Assignor

Assignee

Conveyance

Frame

Reel

Doc

n/a

Date	Maintenance Fee Events

n/a

Date	Maintenance Schedule