|
The ornamental design for a safety helmet, as shown. |
FIG. 1 is a perspective view of a safety helmet showing my new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevation view thereof; and,
FIG. 6 is a rear elevation view thereof.
Patent | Priority | Assignee | Title |
D594063, | Aug 31 2007 | Toolbox for developmental curriculum | |
D600412, | Apr 15 2008 | Safety helmet with fan | |
D602645, | Dec 01 2008 | Hardhat | |
D638586, | Aug 31 2010 | 3M Innovative Properties Company | Head gear top portion |
D670034, | Oct 05 2011 | Vented construction hard hat | |
D695461, | Mar 20 2013 | MIKE S PROLIDS, LLC | Protective helmet |
D708792, | Aug 31 2010 | 3M Innovative Properties Company | Vent openings in head gear |
Patent | Priority | Assignee | Title |
2473394, | |||
2610322, | |||
173929, | |||
206568, | |||
D300275, | Apr 08 1986 | Aktiebolaget Electrolux | Helmet |
D370308, | Jan 12 1994 | Peltor AB | Protective helmet |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |