Safety helmet
Description
Claims
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
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
Classifications
Current U.S. Class:
Cranial (D29/102)