Window for welder's helmet
Siebert January 23, 1
U.S. patent number D250,856 [Application Number 05/794,389] was granted by the patent office on 1979-01-23 for window for welder's helmet. Invention is credited to Carl J. Siebert.
| United States Patent | D250,856 |
| Siebert | January 23, 1979 |
Window for welder's helmet
Claims
The ornamental design for a window for welder's helmet, as shown and described.
| Inventors: | Siebert; Carl J. (Santa Ana, CA) |
|---|---|
| Appl. No.: | 05/794,389 |
| Filed: | May 6, 1977 |
| Current U.S. Class: | D29/110 |
| Current International Class: | D0203 |
| Field of Search: | ;D2/231,232 ;2/8 |
References Cited [Referenced By]
U.S. Patent Documents
| 1861797 | June 1932 | Holt |
| 2352007 | June 1944 | Rickert |
| 2618781 | November 1952 | Beauverger |
Attorney, Agent or Firm: Nienow; Harvey C.
Description
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.
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