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Publication numberUSD251156 S
Publication typeGrant
Application numberUS 05/742,561
Publication dateFeb 27, 1979
Filing dateNov 17, 1976
Priority dateMay 19, 1976
Publication number05742561, 742561, US D251156 S, US D251156S, US-S-D251156, USD251156 S, USD251156S
InventorsWolfram Schleicher, Corina Piech
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Protective helmet
US D251156 S
Abstract  available in
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  1. The ornamental design for a protective helmet, as shown.

FIG. 1 is a left side view of the protective helmet showing our new design;

FIG. 2 is a right side view of the protective helmet;

FIG. 3 is a front view of the protective helmet;

FIG. 4 is a back view of the protective helmet;

FIG. 5 is a top view of the protective helmet; and

FIG. 6 is a bottom view of the protective helmet.

Non-Patent Citations
1Bell Helmets, brochure, 1971, p. 1, Bell Star Helmet.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US20040231190 *Jun 23, 2003Nov 25, 2004Western Brands LlcFootwear pieces and methods for manufacturing such
U.S. ClassificationD29/107