Safety helmet

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FIG. 1 is a top, front and left side perspective view of a safety helmet showing our new design;

FIG. 2 is a top, rear and right side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a top view thereof.


I claim the ornamental design for a safety helmet, as shown and described.

Referenced Cited
U.S. Patent Documents
D541480 April 24, 2007 Turner
D547908 July 31, 2007 Wise et al.
D572865 July 8, 2008 Baker
D574113 July 29, 2008 Lee
D575457 August 19, 2008 Ho et al.
D602640 October 20, 2009 Ho
D602641 October 20, 2009 Ho
D602644 October 20, 2009 Ho
D608504 January 19, 2010 Baker
D648899 November 15, 2011 Westerdal
20100287687 November 18, 2010 Ho
Patent History
Patent number: D683904
Type: Grant
Filed: Jun 4, 2012
Date of Patent: Jun 4, 2013
Inventor: Chang-Hsien Ho (Taoyuan County)
Primary Examiner: Ruth McInroy
Application Number: 29/423,639
Current U.S. Class: Cranial (D29/102)