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Publication numberUSD518923 S1
Publication typeGrant
Application numberUS 29/217,107
Publication dateApr 11, 2006
Filing dateNov 12, 2004
Priority dateNov 12, 2004
Publication number217107, 29217107, US D518923 S1, US D518923S1, US-S1-D518923, USD518923 S1, USD518923S1
InventorsDesmond T. Curran, Peter D. Lee, Daniel Martin
Original Assignee3M Innovative Properties Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Top portion of a welding helmet
US D518923 S1
Images(4)
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Claims(1)
  1. The ornamental design for a top portion of a welding helmet, as shown and described.
Description

FIG. 1 is a front perspective view of a top portion of a welding helmet showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view, the right side 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 details shown in broken lines form no part of the claimed design.

Non-Patent Citations
Reference
1JPO Design Divsiion Prior Art Ref. No. HH 03033371, Hornell Welding Helmet with side mirrors.
2Picture of 9000 Speedglas by 3M.
3Picture of Satellite Shield by Optrel.
4Picture of Welding Headtop Breathe Easy(TM) 17 by 3M.
5Picture of Welding Shield by Euromaski.
6Picture of Welding Shield, Air Visor K Series, by Willson.
7Product literature for Racal Health & Safety Powererd Respirators.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7810937Aug 13, 2009Oct 12, 20103M Innovative Properties CompanyControl of an automatic darkening filter
US7884888Dec 4, 2008Feb 8, 20113M Innovative Properties CompanyAutomatic darkening filter with offset polarizers
US8042958Nov 9, 2009Oct 25, 20113M Innovative Properties CompanyAutomatic darkening filter with automatic power management
US8047664Sep 7, 2010Nov 1, 20113M Innovative Properties CompanyControl of an automatic darkening filter
WO2006098881A2Mar 2, 2006Sep 21, 20063M Innovative Properties CoAutomatic darkening filter with offset polarizers
Classifications
U.S. ClassificationD29/122