Protective helmet

Details Protective helmet Protective helmet

2006-11-07

2006-11-07

McInroy, Ruth (Department: 2915)

Equipment for safety, protection, and rescue

Body restraint or protective covering

Cranial

Design Patent

active

D0531762

CLAIM:
The ornamental design for a protective helmet, as shown and described.

REFERENCES:
patent: D200757 (1965-04-01), Hiat et al.
patent: D207900 (1967-06-01), Feldmann et al.
patent: D253197 (1979-10-01), Jarvinen
patent: D272199 (1984-01-01), Rudd
patent: D283940 (1986-05-01), Bally
patent: D320477 (1991-10-01), Hassfuther
patent: D323042 (1992-01-01), Gallet
patent: D323225 (1992-01-01), Gallet
patent: D351256 (1994-10-01), Gallet
patent: D397519 (1998-08-01), Crupi et al.
patent: 5946719 (1999-09-01), Crupi et al.
patent: D459837 (2002-07-01), Dupuis
patent: D473975 (2003-04-01), Batts
patent: 6622311 (2003-09-01), Diaz et al.

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