Hinge for a welding helmet window

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Description

FIG. 1 is a front perspective view of a hinge for a welding helmet window showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view, the right side view being a mirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The detail shown in the broken lines form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
3806951 April 1974 Halteman
3825952 July 1974 Pershing et al.
4136688 January 30, 1979 Gorman
D258415 March 3, 1981 DeStepheno
D258562 March 17, 1981 DeStepheno
4280491 July 28, 1981 Berg et al.
4462399 July 31, 1984 Braun
4774723 October 4, 1988 Ruck
4965887 October 30, 1990 Paoluccio et al.
5054479 October 8, 1991 Yelland et al.
5104430 April 14, 1992 Her-Mou
5125402 June 30, 1992 Greenough
5533500 July 9, 1996 Her-Mou
5575278 November 19, 1996 Bonhomme et al.
5687427 November 18, 1997 Lamattina et al.
5857215 January 12, 1999 Fergason et al.
6014971 January 18, 2000 Danisch et al.
6016805 January 25, 2000 Burns et al.
6250299 June 26, 2001 Danisch et al.
20040210976 October 28, 2004 Huh
Foreign Patent Documents
1061822 April 2003 EP
WO 99/26502 June 1999 WO
Other references
  • Product literature for Racal Health & Safety Powered Respirators.
  • Picture of 9000 Speedglas by 3M.
  • Picture of Welding Headtop Breathe Easy™ 17 by 3M.
  • Picture of Welding Shield by Euromaski.
  • Picture of Satellite Shield by Optrel.
  • Picture of Welding Shield, Air Visor K Series, by Willson.
Patent History
Patent number: D523728
Type: Grant
Filed: Nov 12, 2004
Date of Patent: Jun 27, 2006
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Peter D. Lee (Hartlepool), Desmond T. Curran (Durham), Daniel Martin (Whalton)
Primary Examiner: Ruth McInroy
Attorney: Karl G. Hanson
Application Number: 29/217,153
Classifications
Current U.S. Class: D8/323