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The ornamental design for safety helmet, shown and described.
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FIG. 1 is a front side perspective view showing our new design for safety helmet;
FIG. 2 is a rear side perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
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| D920582, | Sep 17 2019 | Sport helmet | |
| D970820, | Aug 05 2021 | Helmet | |
| ER2311, |
| Patent | Priority | Assignee | Title |
| D427727, | Aug 16 1999 | Safety helmet | |
| D437092, | Mar 17 2000 | Safety helmet | |
| D453860, | Jan 26 2001 | Sport helmet | |
| D453975, | Apr 04 2001 | Safety helmet | |
| D481172, | Oct 28 2002 | Safety helmet | |
| D482501, | Oct 09 2002 | Safety helmet | |
| D495835, | Jul 01 2003 | Safety helmet | |
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| D516751, | May 28 2004 | Safety helmet | |
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