Welding helmet

Details Welding helmet Welding helmet

2007-11-15

2008-12-30

McInroy, Ruth (Department: 2915)

Equipment for safety, protection, and rescue

Body restraint or protective covering

Face, mouth, or ear

Design Patent

active

D0584003

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

REFERENCES:
patent: D393933 (1998-04-01), Huh
patent: D394732 (1998-05-01), Huh
patent: D398421 (1998-09-01), Crafoord et al.
patent: D517745 (2006-03-01), Lee et al.
patent: D524992 (2006-07-01), Belin et al.
patent: D525395 (2006-07-01), Fridholm et al.
patent: D526097 (2006-08-01), Lilenthal et al.
patent: D532560 (2006-11-01), Fredriksson et al.
patent: D532939 (2006-11-01), Juhlin et al.
patent: D533313 (2006-12-01), Mases et al.
patent: D540990 (2007-04-01), Huh
patent: D553802 (2007-10-01), Huh
patent: D565800 (2008-04-01), Wang

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