IP Library › Granted Patent US 1,139,959
Granted Patent S1
US 1,139,959 · App. 29/999,120 · Granted Aug 4, 2026

Nasal mask cushion

Inventor: Qingzhi Mao (Hangzhou, CN)
Assignee: Nanjing Liliyugi Information Technology Co., Ltd.
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Quick Facts
Patent No.
US 1,139,959
App. No.
29/999,120
Granted
Aug 4, 2026
Kind
S1
Claims (1)

The ornamental design for a nasal mask cushion, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 16, 2025
From: MAO, QINGZHI
To: NANJING LILIYUQI INFORMATION TECHNOLOGY CO., LTD.
Reel/Frame 070852/0343 →
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