IP Library › Granted Patent US 1,057,939
Granted Patent S1
US 1,057,939 · App. 35/519,267 · Granted Jan 14, 2025

Oxygen mask

Inventors: Zixian Liu (Suzhou, CN); Juntao Hao (Suzhou, CN); Danping Shen (Suzhou, CN)
Assignee: MDHC Life Technologies (Kunshan) Co., Ltd.
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Quick Facts
Patent No.
US 1,057,939
App. No.
35/519,267
Granted
Jan 14, 2025
Kind
S1
Claims (1)

The ornamental design for an oxygen mask as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 21, 2024
From: LIU, ZIXIAN; HAO, JUNTAO; SHEN, DANPING
To: MDHC LIFE TECHNOLOGIES (KUNSHAN) CO., LTD.
Reel/Frame 069349/0261 →
Priority Claims (1)
CN 202330279868.X · May 12, 2023 · national
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Cited By (1)
US 12,643,672