Claims (1)
Claim 1 (Independent)
The ornamental design for a luminous signalling device as shown and described.
Full Description
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1. Luminous signalling device 1 . 1 : Perspective 1 . 2 : Front 1 . 3 : Back 1 . 4 : Right 1 . 5 : Left 1 . 6 :Top 1 . 7 : Bottom 1 . 8 : Enlarged
Citations
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- USD261116
- USD322584
- USD324186
- USD363036
- US6135612
- USD439858
- US9997031
- USD827899
- USD839119
- US10422821
- US10984636
- USD974939
- US3008311220000