Collapsible ladder

Description

FIG. 1 is a front, right and top perspective view of a collapsible ladder, showing my design.

FIG. 2 is a rear, left and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is an enlarged view of detail 9 in FIG. 1.

FIG. 10 is an enlarged view of detail 10 in FIG. 1.

FIG. 11 is an enlarged view of detail 11 in FIG. 1.

FIG. 12 is an enlarged view of detail 12 in FIG. 1.

FIG. 13 is an enlarged view of detail 13 in FIG. 2.

FIG. 14 is another front, right and top perspective view of the collapsible ladder in an alternate state; and,

FIG. 15 is another front, right and top perspective view of the collapsible ladder in an alternate state.

The broken lines depict portions of the collapsible ladder that form no part of the claimed design. The dot-dash broken lines in FIGS. 1-2 and 9-13 depict the boundaries of the enlargements that form no part of the claimed design.

Claims

The ornamental design for a collapsible ladder, as shown and described.