Claims (1)
Claim 1 (Independent)
The ornamental design for a ladder safety device, as shown and described.
Full Description
Show full text →
FIG. 1 is a perspective front view of a ladder safety device showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right elevational view thereof;
FIG. 4 is a left elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Citations
This patent cites (66)
- US2229987
- US3012626
- US3268196
- US3510097
- US3664626
- US4276957
- US4367857
- US4542804
- US4709783
- US4765439
- US5265742
- US5775465
- US6038829
- US6045102
- US6053280
- US6135300
- US6314595
- US6401861
- US6533069
- US6578666
- US6585080
- US6907957
- US6926120
- US7066299
- US7845468
- US8099910
- USD669194
- US8602163
- US8839907
- US9004227
- USD757302
- US9540875
- US9551183
- US9567804
- US9601036
- US9663989
- US9797195
- US9890590
- US9932771
- US10100576
- US10655391
- US10900282
- US10995549
- US2005/0045421
- US2006/0201747
- US2007/0175699
- US2007/0227819
- US2008/0190692
- US2009/0000868
- US2011/0158783
- US2012/0175188
- US2013/0186710
- US2014/0041965
- US2014/0166397
- US2014/0262615
- US2016/0108670
- US2016/0208554
- US2016/0215563
- US2018/0187486
- US2018/0363373
- US2019/0048663
- US2020/0003008
- US2020/0024900
- US715315
- US2705398
- US20110134121