Patent
   D569555
Priority
Mar 15 2007
Filed
Mar 15 2007
Issued
May 20 2008
Expiry
May 20 2022
Assg.orig
Entity
unknown
3
43
n/a
The ornamental design for a rigid protective helmet, as shown and described.

FIG. 1 is a front right prospective view showing my new design for a rigid protective helmet.

FIG. 2 is a front elevation view.

FIG. 3 is a left side elevation view.

FIG. 4 is a right side elevation view.

FIG. 5 is a rear elevation view; and,

FIG. 6 is a top view.

Fowler, David B.

Patent Priority Assignee Title
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D671717, May 20 2010 Stocking cap for fitting over a baseball-type cap
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