Welding helmet

Details Welding helmet Welding helmet

2011-05-03

2011-05-03

McInroy, Ruth (Department: 2917)

Equipment for safety, protection, and rescue

Body restraint or protective covering

Face, mouth, or ear

Design Patent

active

D0637353

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

REFERENCES:
patent: D398421 (1998-09-01), Crafoord et al.
patent: D443394 (2001-06-01), Martin et al.
patent: D524991 (2006-07-01), Martin et al.
patent: D553802 (2007-10-01), Huh
patent: D565800 (2008-04-01), Wang
patent: D565801 (2008-04-01), Curci et al.
patent: D585604 (2009-01-01), Martin
patent: D586051 (2009-02-01), Martin et al.
patent: D586956 (2009-02-01), Huh
patent: D594600 (2009-06-01), Huh
patent: 2007/0079417 (2007-04-01), Huh

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