Claims (1)
Claim 1 (Independent)
The ornamental design for a protective helmet, as shown and described.
Full Description
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1. Protective helmet
1 . 1 : Perspective
1 . 2 : Front
1 . 3 : Back
1 . 4 : Left
1 . 5 : Right
1 . 6 : Top
1 . 7 : Bottom
the design shows a protective helmet to which a face shield can be fitted; the part represented in solid lines is part of the claimed design; the dotted broken lines show the part of the band that can be removed from the helmet and the fitting for the connection of a hose which form not part of the claimed design.
Citations
This patent cites (14)
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