Claims (1)
Claim 1 (Independent)
The ornamental design for a dropping tube as shown and described.
Full Description
Show full text →
1. Dropping tube
1 . 1 : Front
1 . 2 : Back
1 . 3 : Left
1 . 4 : Right
1 . 5 : Top
1 . 6 : Bottom
1 . 7 : Perspective
1 . 8 : Perspective
The use of the product incorporating the design: It is used to add a specific volume of the sample solution to be tested to the matching test box to be tested, and the sample detection work. The essential features of the design: The shape of the product.
Citations
This patent cites (16)
- US5464048
- USD448853
- USD724199
- USD924430
- USD948073
- USD1011549
- USD1017797
- USD1021132
- USD1025353
- USD1032013
- USD1041026
- US2001/0035432
- US2010/0044337
- US2021/0047085
- US2022/0331791
- US202130274197.9