Floor underlayment

Abstract

Claims

The ornamental design for a floor underlayment, as shown and described.

Description

(1) FIG. 1 is a top perspective view of a floor underlayment, showing my new design;

(2) FIG. 2 is a side elevational view thereof, the other sides being identical thereof;

(3) FIG. 3 is a top plan view thereof;

(4) FIG. 4 is a bottom plan view thereof, opposite that of FIG. 3;

(5) FIG. 5 is a bottom perspective view thereof, opposite that of FIG. 1;

(6) FIG. 6 is a top perspective view of a second embodiment of a floor underlayment, showing my new design;

(7) FIG. 7 is a side elevational view of the embodiment of FIG. 6, the other sides being identical thereof;

(8) FIG. 8 is a top plan view of the embodiment of FIG. 6;

(9) FIG. 9 is a bottom plan view of the embodiment of FIG. 6, opposite that of FIG. 8; and,

(10) FIG. 10 is a bottom perspective view of the embodiment of FIG. 6, opposite that of FIG. 6.