Welding mask
Fuerthbauer , et al. August 28, 1
U.S. patent number D310,276 [Application Number 07/222,222] was granted by the patent office on 1990-08-28 for welding mask. This patent grant is currently assigned to Optrel AG. Invention is credited to Rupert Fuerthbauer, Hans Huesler.
| United States Patent | D310,276 |
| Fuerthbauer , et al. | August 28, 1990 |
Welding mask
Claims
The ornamental design for a welding mask, as shown and described.
| Inventors: | Fuerthbauer; Rupert (Lichtensteig, CH), Huesler; Hans (Bronschhofen, CH) |
|---|---|
| Assignee: | Optrel AG (Wattwil,
CH) |
| Appl. No.: | 07/222,222 |
| Filed: | July 21, 1988 |
| Current U.S. Class: | D29/110 |
| Field of Search: | ;D29/6,7,8,9 ;2/8,9,421,426 ;350/331,332 |
References Cited [Referenced By]
U.S. Patent Documents
| 2644159 | July 1953 | Jacobs |
| 4101980 | July 1978 | Stepan et al. |
| 4581775 | April 1986 | Nava |
| 4863244 | September 1989 | Fuerthbauer et al. |
Assistant Examiner: Chin; Kay H.
Attorney, Agent or Firm: Tarolli, Sundheim & Covell
Description
FIG. 1 is a front perspective view of a welding mask showing our new design;
FIG. 2 is a side elevational view thereof, the opposite side view being a mirror image of that shown;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a rear perspective view thereof.
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