Welding helmet

- Polison Corporation
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Description

FIG. 1 is perspective view of a welding helmet showing my new design;

FIG. 2 is a front side elevation view thereof;

FIG. 3 is a rear side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
3257667 June 1966 Anderson
4185328 January 29, 1980 Graveno
5191468 March 2, 1993 Mases
D394732 May 26, 1998 Huh
D398421 September 15, 1998 Crafoord et al.
6507954 January 21, 2003 Sanchez
Patent History
Patent number: D479631
Type: Grant
Filed: Nov 15, 2002
Date of Patent: Sep 9, 2003
Assignee: Polison Corporation (Kaohsiung)
Inventor: Chen-San Cheng (Kaohsiung)
Primary Examiner: Ruth McInroy
Attorney, Agent or Law Firm: Leong C. Lei
Application Number: 29/171,014
Classifications
Current U.S. Class: Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)
International Classification: 2902;