Welding helmet

Details Welding helmet Welding helmet

2002-11-15

2003-09-09

McInroy, Ruth (Department: 2914)

Equipment for safety, protection, and rescue

Body restraint or protective covering

Face, mouth, or ear

Design Patent

active

D0479631

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

REFERENCES:
patent: 3257667 (1966-06-01), Anderson
patent: 4185328 (1980-01-01), Graveno
patent: 5191468 (1993-03-01), Mases
patent: D394732 (1998-05-01), Huh
patent: D398421 (1998-09-01), Crafoord et al.
patent: 6507954 (2003-01-01), Sanchez

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