Safety helmet
Description
Claims
I claim the ornamental design for a safety helmet, as shown and described.
Referenced Cited
U.S. Patent Documents
| D186652 | November 1959 | Hale |
| D436695 | January 23, 2001 | Ho |
| D452942 | January 8, 2002 | Ho |
| D535059 | January 9, 2007 | Lam |
| D572865 | July 8, 2008 | Baker |
| D575457 | August 19, 2008 | Ho et al. |
| D602640 | October 20, 2009 | Ho |
| D602641 | October 20, 2009 | Ho |
| D602642 | October 20, 2009 | Ho |
| D602643 | October 20, 2009 | Ho |
| D602644 | October 20, 2009 | Ho |
| D608504 | January 19, 2010 | Baker |
Patent History
Patent number: D670442
Type: Grant
Filed: Sep 1, 2011
Date of Patent: Nov 6, 2012
Inventor: Chang-Hsien Ho (Taoyuan County)
Primary Examiner: Ruth McInroy
Attorney: Rosenberg, Klein & Lee
Application Number: 29/400,791
Type: Grant
Filed: Sep 1, 2011
Date of Patent: Nov 6, 2012
Inventor: Chang-Hsien Ho (Taoyuan County)
Primary Examiner: Ruth McInroy
Attorney: Rosenberg, Klein & Lee
Application Number: 29/400,791
Classifications
Current U.S. Class:
Cranial (D29/102)