The design is the visual features of the AUTO DARKENING WELDING HELMET shown in solid lines in the drawings, whether those features are features of one of shape, configuration, ornament or pattern or are a combination of any of these features. The portions shown in stippled lines do not form part of the design. Drawings of the design are included. In the drawings: Figure 1 is a front perspective view of an AUTO DARKENING WELDING HELMET; Figure 2 is a rear perspective view of the AUTO DARKENING WELDING HELMET of Figure 1; Figure 3 is a front elevation view of the AUTO DARKENING WELDING HELMET of Figure 1; Figure 4 is a rear elevation view of the AUTO DARKENING WELDING HELMET of Figure 1; Figure 5 is a side view of the AUTO DARKENING WELDING HELMET of Figure 1; Figure 6 is a side view of the other side of the AUTO DARKENING WELDING HELMET of Figure 1; Figure 7 is a top plan view of the AUTO DARKENING WELDING HELMET of Figure 1; and Figure 8 is a bottom plan view of the AUTO DARKENING WELDING HELMET of Figure 1.
AUTO DARKENING WELDING HELMET
2019-09-30
Patent
Electronic Resource
English
Carbon coating reduces darkening
British Library Online Contents | 2004
Technology - Self-darkening windows tested
Online Contents | 2005