Protective helmet
Description
Claims
We claim the ornamental design for a protective helmet, as shown and described.
Patent History
Patent number: D677006
Type: Grant
Filed: Jan 13, 2011
Date of Patent: Feb 26, 2013
Inventors: Anton Pfanner (Hohenems), Martin Greber (Goetzis)
Primary Examiner: Ruth McInroy
Application Number: 29/383,170
Type: Grant
Filed: Jan 13, 2011
Date of Patent: Feb 26, 2013
Inventors: Anton Pfanner (Hohenems), Martin Greber (Goetzis)
Primary Examiner: Ruth McInroy
Application Number: 29/383,170
Classifications
Current U.S. Class:
Cranial (D29/102)