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Publication numberUSD517745 S1
Publication typeGrant
Application numberUS 29/217,155
Publication dateMar 21, 2006
Filing dateNov 12, 2004
Priority dateNov 12, 2004
Publication number217155, 29217155, US D517745 S1, US D517745S1, US-S1-D517745, USD517745 S1, USD517745S1
InventorsPeter D. Lee, Desmond T. Curran, Daniel Martin
Original Assignee3M Innovative Properties Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Chin portion of welding helmet visor
US D517745 S1
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  1. The ornamental design for a chin portion of welding helmet visor, as shown and described.

FIG. 1 is a front perspective view of a chin portion of a welding helmet visor 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
1Picture of 9000 Speedglas by 3M.
2Picture of Satellite Shield by Optrel.
3Picture of Welding Headtop Breathe Easy(TM) 17 by 3M.
4Picture of Welding Shield by Euromaski.
5Picture of Welding Shield, Air Visor K Series, by Willson.
6Product literature for Racal Health & Safety Powered 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
US8534279Mar 2, 2009Sep 17, 20133M Innovative Properties CompanyRespirator system including convertible head covering member
WO2006098881A2Mar 2, 2006Sep 21, 20063M Innovative Properties CoAutomatic darkening filter with offset polarizers
U.S. ClassificationD29/122