Claims (1)
Claim 1 (Independent)
The ornamental design for a back rest for chairs, as shown and described.
Full Description
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1. Back rest for chairs
1 . 1 : Perspective
1 . 2 : Right
1 . 3 : Front
1 . 4 : Top
Citations
This patent cites (5)
- US4052104
- USD249305
- US4235473
- USD296628
- USWO-2015099161