Protective helmet shell

Equipment for safety – protection – and rescue – Body restraint or protective covering – Cranial

Design Patent

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Design Patent

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D0581599

CLAIM:
We claim the ornamental design of a protective helmet shell, as shown and described.

REFERENCES:
patent: D272960 (1984-03-01), Vinson
patent: D332507 (1993-01-01), Anderson et al.
patent: 5963990 (1999-10-01), White
patent: D459555 (2002-06-01), Gatellet
patent: D465067 (2002-10-01), Ide et al.
patent: D466651 (2002-12-01), Halstead et al.
patent: D495838 (2004-09-01), Arai
patent: D509928 (2005-09-01), Barnoski
patent: D511026 (2005-10-01), Ide et al.
patent: D512534 (2005-12-01), Maddux et al.
patent: 7036151 (2006-05-01), Ide et al.
patent: D528705 (2006-09-01), Ide et al.

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