Work helmet

Details Work helmet Work helmet

2008-01-01

2008-01-01

McInroy, Ruth (Department: 2915)

Equipment for safety, protection, and rescue

Body restraint or protective covering

Cranial

Design Patent

active

29246815

CLAIM:
We claim the ornamental design for a work helmet, as shown and described.

REFERENCES:
patent: D181240 (1957-10-01), Stuart et al.
patent: D182795 (1958-05-01), Egly
patent: D186652 (1959-11-01), Hale
patent: D367548 (1996-02-01), Jeng
patent: 5829065 (1998-11-01), Cahill
patent: 6065159 (2000-05-01), Hirsh
patent: 6073272 (2000-06-01), Ball
patent: D447604 (2001-09-01), Watters et al.
patent: D449135 (2001-10-01), Martin et al.
patent: D464174 (2002-10-01), Lu
patent: D495093 (2004-08-01), Tintera
patent: D518241 (2006-03-01), Finquel
patent: D535059 (2007-01-01), Lam

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