Patent
   D250856
Priority
May 06 1977
Filed
May 06 1977
Issued
Jan 23 1979
Expiry
Jan 23 1993
Assg.orig
Entity
unknown
15
3
n/a
The ornamental design for a window for welder's helmet, as shown and described.

FIG. 1 is a view in perspective of my new design for a window for welder's helmet shown with its upper element down ;

FIG. 2 is a top view thereof;

FIG. 3 is a view in front elevation thereof with the upper element raised;

FIG. 4 is a side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear view of the window shown upsidedown; and

FIG. 7 is a cross-sectional view taken on line 7--7 of FIG. 6.

Siebert, Carl J.

Patent Priority Assignee Title
8990963, Aug 23 2006 Lincoln Global, Inc. User-friendly welding helmet assembly
9889045, Aug 23 2006 Lincoln Global, Inc User-friendly welding helmet assembly
D322493, Aug 24 1989 Welding hood lens support
D324588, Jun 22 1989 Lens carriage for welding hoods
D349588, Oct 06 1992 JPCA, INC Welding lens assembly
D353692, Jun 01 1993 JPCA, INC Welding lens assembly
D524992, Aug 09 2005 ERGONOMIDESIGN AB Pair of welding helmet visor flanges
D525395, Aug 09 2005 ERGONOMIDESIGN AB Welding helmet lens frame
D526097, Aug 09 2005 ERGONOMIDESIGN AB Side portion of a welding helmet
D532560, Aug 09 2005 ERGONOMIDESIGN AB Side portion of a welding helmet
D539988, Aug 09 2005 ERGONOMIDESIGN AB Welding helmet visor
D678619, Oct 26 2010 SUREWERX USA INC Welding auto-darkening filter assembly
D683502, Oct 26 2010 SUREWERX USA INC Welding auto-darkening filter
D683906, Oct 26 2010 SUREWERX USA INC Welding auto-darkening filter
D932107, Oct 01 2019 Lincoln Global, Inc. Auto darkening filter for a welding helmet
Patent Priority Assignee Title
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