Claims (1)
Claim 1 (Independent)
The ornamental design for a protective helmet, as shown and described.
Full Description
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FIG. 1 shows a front, right side perspective view of a protective helmet showing our new design. FIG. 2 shows a right side, rear perspective view of the protective helmet. FIG. 3 shows a front view of the protective helmet. FIG. 4 shows a rear view of the protective helmet. FIG. 5 shows a right side view of the protective helmet (the left side view being a mirror image, is omitted). FIG. 6 shows a top view of the protective helmet; and, FIG. 7 shows a bottom view of the protective helmet. Features illustrated with the broken lines form no part of the claimed design and are merely to illustrate an exemplary environment for the portion illustrated with solid lines.
Citations
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