Flip-up auto darkening welding helmet

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Description

FIG. 1 is a top, front, right side perspective view of a flip-up auto darkening welding helmet in a first state showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right elevational side view thereof;

FIG. 7 is a left elevational side view thereof;

FIG. 8 is a top, front, right side perspective view of the flip-up auto darkening welding helmet in a second state;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a right elevational side view thereof; and,

FIG. 14 is a left elevational side view thereof.

The broken lines shown in the drawings represent portions of the flip-up auto darkening welding helmet that form no part of the claimed design.

Claims

The ornamental design for a flip-up auto darkening welding helmet, as shown and described.

Referenced Cited
U.S. Patent Documents
D398421 September 15, 1998 Crafoord
D521190 May 16, 2006 Wu
D654224 February 14, 2012 Wu
D654225 February 14, 2012 Wu
D654226 February 14, 2012 Wu
D654634 February 21, 2012 Wu
D668001 September 25, 2012 Juhlin
D677436 March 5, 2013 Juhlin
D732746 June 23, 2015 Wu
D734558 July 14, 2015 Wu
D774702 December 20, 2016 Brose
D796118 August 29, 2017 Yang
Patent History
Patent number: D830003
Type: Grant
Filed: Mar 10, 2017
Date of Patent: Oct 2, 2018
Assignee: Tecmen Electronics Co., Ltd. (Nanjing)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Robert A Delehanty
Application Number: 29/596,797