Welding mask

Details Welding mask Welding mask

1999-09-24

2001-08-21

McInroy, Ruth (Department: 2914)

Equipment for safety, protection, and rescue

Body restraint or protective covering

Cranial

Design Patent

active

D0446887

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

REFERENCES:
patent: D. 310276 (1990-08-01), Fuerthbauer et al.
patent: D. 310432 (1990-09-01), Boochard
patent: D. 365666 (1995-12-01), Gumpp
patent: D. 393933 (1998-04-01), Huh
patent: D. 394732 (1998-05-01), Huh
patent: D. 398421 (1998-09-01), Crafoord et al.
patent: D. 419727 (2000-01-01), Verkic et al.

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