The ornamental design for a gullwingdoor, as shown and described.
FIG. 1 is a perspective view of a gull wing door in a closed position showing my new design;
FIG. 2 is a front elevational view of the gull wing door in the closed position of FIG. 1.
FIG. 3 is a first end elevational view of the gull wing door of FIG. 1;
FIG. 4 is a second end elevational view of the gull wing door of FIG. 1;
FIG. 5 is a top plan view of the gull wing door in the closed position of FIG. 1;
FIG. 6 is a perspective view of a gull wing door in an open position showing my new design;
FIG. 7 is a front elevational view of the gull wing door in the open position of FIG. 6;
FIG. 8 is a first end elevational view of the gull wing door in the open position of FIG. 6;
FIG. 9 is a second end elevational view of the gull wing door in the open position of FIG. 6; and,
FIG. 10 is a top plan view of the gull wing door in the open position of FIG. 6.
The gull wing door is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.
The broken lines shown illustrate environmental structure, and form no part of the claimed design.