FIG. 1 is a top plan view of a duvet cover in an open configuration;
FIG. 2 is a top plan view of the duvet cover of FIG. 1 in a closed configuration;
FIG. 3 is a left-side perspective view of the duvet cover of FIG. 1;
FIG. 4 is a left-side perspective view of the duvet cover of FIG. 2;
FIG. 5 is a right-side perspective view of the duvet cover of FIG. 1;
FIG. 6 is a partial enlarged view of FIG. 3 that is included to more clearly depict the design from the left-side perspective view of FIG. 3;
FIG. 7 is a partial enlarged view of FIG. 4 that is included to more clearly depict the design from the left-side perspective view of FIG. 4;
FIG. 8 is a top plan view of a second embodiment of the invention in an open configuration;
FIG. 9 is a top plan view of the duvet cover of FIG. 8 in a closed configuration;
FIG. 10 is a left-side perspective view of the duvet cover of FIG. 8;
FIG. 11 is a left-side perspective view of the duvet cover of FIG. 9;
FIG. 12 is a right-side perspective view of the duvet cover of FIG. 8;
FIG. 13 is a partial enlarged view of FIG. 10 that is included to more clearly depict the design from the left-side perspective view of FIG. 10;
FIG. 14 is a partial enlarged view of FIG. 11 that is included to more clearly depict the design from the left-side perspective view of FIG. 11;
FIG. 15 is a top plan view of a third embodiment of the invention in an open configuration;
FIG. 16 is a top plan view of the duvet cover of FIG. 15 in a closed configuration;
FIG. 17 is a left-side perspective view of the duvet cover of FIG. 15;
FIG. 18 is a left-side perspective view of the duvet cover of FIG. 16;
FIG. 19 is a right-side perspective view of the duvet cover of FIG. 15;
FIG. 20 is a partial enlarged view of FIG. 17 that is included to more clearly depict the design from the left-side perspective view of FIG. 17;
FIG. 21 is a partial enlarged view of FIG. 18 that is included to more clearly depict the design from the left-side perspective view of FIG. 18;
FIG. 22 is a top plan view of a fourth embodiment of the invention in an open configuration;
FIG. 23 is a top plan view of the duvet cover of FIG. 22 in a closed configuration;
FIG. 24 is a left-side perspective view of the duvet cover of FIG. 22;
FIG. 25 is a left-side perspective view of the duvet cover of FIG. 23;
FIG. 26 is a right-side perspective view of the duvet cover of FIG. 22;
FIG. 27 is a partial enlarged view of FIG. 24 that is included to more clearly depict the design from the left-side perspective view of FIG. 24; and,
FIG. 28 is a partial enlarged view of FIG. 25 that is included to more clearly depict the design from the left-side perspective view of FIG. 25.
Portions of the duvet cover which are shown in broken lines form no part of the claimed design.