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Publication numberUSD571048 S1
Publication typeGrant
Application numberUS 29/273,904
Publication dateJun 10, 2008
Filing dateMar 15, 2007
Priority dateMar 15, 2007
Publication number273904, 29273904, US D571048 S1, US D571048S1, US-S1-D571048, USD571048 S1, USD571048S1
InventorsDavid B. Fowler
Original AssigneeFowler David B
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Rigid protective helmet
US D571048 S1
Abstract  available in
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  1. 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.

U.S. ClassificationD29/102