Welding helmet

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Description

FIG. 1 is a front elevation view of a welding helmet.

FIG. 2 is a back elevation view thereof.

FIG. 3 is a left side elevation view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a front top perspective view thereof.

FIG. 8 is a left side perspective view thereof.

FIG. 9 is a right side perspective view thereof.

FIG. 10 is rear side bottom perspective view thereof.

FIG. 11 is a front elevation view of an alternative welding helmet having a smaller portal.

FIG. 12 is a back elevation view of FIG. 11.

FIG. 13 is a left side elevation view of FIG. 11.

FIG. 14 is a right side elevation view of FIG. 11.

FIG. 15 is a top plan view of FIG. 11.

FIG. 16 is a bottom plan view of FIG. 11.

FIG. 17 is a front top perspective view of FIG. 11.

FIG. 18 is a right side perspective view of FIG. 11; and,

FIG. 19 is rear side bottom perspective view of FIG. 11.

The broken lines showing the structure around the inner weld-glass opening is included for the purpose of illustrating a portion of the welding helmet that form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
D540990 April 17, 2007 Huh
D586956 February 17, 2009 Huh
9009862 April 21, 2015 Huh
D753345 April 5, 2016 Yang
D756569 May 17, 2016 Yang
D774701 December 20, 2016 Yang
D775427 December 27, 2016 Zhou
Patent History
Patent number: D788988
Type: Grant
Filed: Mar 2, 2016
Date of Patent: Jun 6, 2017
Assignee: NINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO., LTD. (Ningbo)
Inventor: Jianrong Zhou (Ningbo)
Primary Examiner: Robert Delehanty
Application Number: 29/556,651