Protective helmet
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Description
Claims
We claim the ornamental design for a protective helmet, as shown and described.
Referenced Cited
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Patent History
Patent number: D690882
Type: Grant
Filed: Aug 21, 2012
Date of Patent: Oct 1, 2013
Assignee:
Inventors: Jerzy Nowikow (Zabia Wola), Grzegorz Matusiak (Warszawa), Hubert Nowikow (Warszawa)
Primary Examiner: Ruth McInroy
Application Number: 29/430,108
Type: Grant
Filed: Aug 21, 2012
Date of Patent: Oct 1, 2013
Assignee:
Inventors: Jerzy Nowikow (Zabia Wola), Grzegorz Matusiak (Warszawa), Hubert Nowikow (Warszawa)
Primary Examiner: Ruth McInroy
Application Number: 29/430,108
Classifications
Current U.S. Class:
And Transparent Eye Shield (D29/107)