Claims (1)
Claim 1 (Independent)
The ornamental design for a safety device for ladder, as shown and described.
Full Description
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1. Safety device for ladder
1 . 1 : Perspective
1 . 2 : Front
1 . 3 : Back
1 . 4 : Left
1 . 5 : Right
1 . 6 : Top
1 . 7 : Bottom
1 . 8 : Reference
1 . 9 : Folded
The broken lines on the top and bottom edge of the safety device for ladder shown in Figures 1 . 1 - 1 . 3 and 1 . 9 represent claimed stitching.
The broken lines shown in Figure 1 . 8 are for the purpose of illustrating environment and form no part of the claimed design.
Citations
This patent cites (3)
- US4726446
- US5682960
- USD669195