Claims (1)
Claim 1 (Independent)
The ornamental design for an emergency warning device, as shown and described.
Full Description
Show full text →
1. Emergency warning device
1 . 1 : Front
1 . 2 : Top
1 . 3 : Bottom
The broken lines shown are included for the purpose of illustrating portions of the emergency warning device that form no part of the claim.
Surfaces shown seen between the solid lines and the broken lines in Fig. 1 . 1 are not intended to be part of the claimed design.
Citations
This patent cites (21)
- US5115884
- USD773949
- USD778192
- USD783435
- USD786111
- USD842154
- USD944675
- US20100245095
- US20110063852
- US20120050636
- US20140332525
- US20170188123
- US20210090421
- US303377269
- US306229462
- US009066954-0007
- USD1233331
- USD1244798
- US1613658
- US1613659
- US301145720.0000