US D582,607 S
Protective helmet
Vincent R. Ferrara, Wellesley, Mass. (US); Robert J. Everett, Somerville, Mass. (US); Jeffrey S. Dalzell, Pierrefonds (Canada); Kurt Hibchen, Montreal (Canada); and Bernard Daoust, Sutton (Canada)
Assigned to Xenith, LLC, Lowell, Mass. (US)
Filed on Sep. 20, 2007, as Appl. No. 29/295,029.
Term of patent 14 Years
LOC (8) Cl. 29 - 02
U.S. Cl. D29—106
OG exemplary drawing
 
We claim the ornamental design of a protective helmet, as shown and described.