Protective helmet

Details Protective helmet Protective helmet

2005-10-11

2005-10-11

McInroy, Ruth (Department: 2915)

Equipment for safety, protection, and rescue

Body restraint or protective covering

Cranial

Design Patent

active

D0510644

CLAIM:
I claim the ornamental design for a protective helmet, substantially as shown and described.

REFERENCES:
patent: D207900 (1967-06-01), Feidmann et al.
patent: 3806951 (1974-04-01), Halteman
patent: D253197 (1979-10-01), Jarvinen
patent: D283940 (1986-05-01), Bally
patent: D324115 (1992-02-01), Brooks
patent: D330951 (1992-11-01), Kamata
patent: D331645 (1992-12-01), Gallet
patent: D397519 (1998-08-01), Crupi et al.

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