IP Library Granted Patent US 1,106,486
Granted Patent S1
US 1,106,486 · App. 35/523,311 · Granted Dec 16, 2025

Dropping tube

Inventors: Lizhong Dai (Hunan, CN); Xujun Mi (Hunan, CN); Xun Zhong (Hunan, CN); Diansu Zheng (Hunan, CN); Yaping Xie (Hunan, CN); Tao Zhu (Hunan, CN)
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Quick Facts
Patent No.
US 1,106,486
App. No.
35/523,311
Granted
Dec 16, 2025
Kind
S1
Claims (1)

The ornamental design for a dropping tube as shown and described.

Priority Claims (1)
CN 202330461272.1 · Jul 21, 2023 · national
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