Granted Patent
S1
US 1,088,234 · App. 29/879,234 · Granted Aug 12, 2025
Portable oxygen concentrator
View Patent ↗
Loading inventors, assignments & file history…
Claims (1)
The ornamental design for a portable oxygen concentrator, as shown and described.
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Jul 5, 2023
From: ZHANG, HONG
To: SHENZHEN DONGJILIAN MEDICAL TECH CO.,LTD
Reel/Frame 064151/0827 →
References Cited (22)
US D471278S
· Cheng
· 2003
[cited by examiner]
US D471982S
· Cheng
· 2003
[cited by examiner]
US D528212S
· Conway
· 2006
[cited by examiner]
US D607107S
· McCombs
· 2009
[cited by examiner]
US D642273S
· McCombs
· 2011
[cited by examiner]
US D702353S
· Fujimoto
· 2014
[cited by examiner]
US D749220S
· Taylor
· 2016
[cited by examiner]
US D854161S
· Suda
· 2019
[cited by examiner]
US D854691S
· Kondo
· 2019
[cited by examiner]
US D860459S
· Burgess
· 2019
[cited by examiner]
US D930835S
· Taylor
· 2021
[cited by examiner]
US D982162S
· Jiang
· 2023
[cited by examiner]
US 20100052293A1
· Brooks
· 2010
[cited by examiner]
Household Oxygen Concentrator. Nov. 5, 2024. Site visited Feb. 6, 2025. [https://tinyurl.com/yvjectce] (Year: 2024).
[cited by examiner]
Auto Veterinary Oxygen Concentrator. Dec. 16, 2024. Site visited Feb. 6, 2025. [https://tinyurl.com/55vkves] (Year: 2024).
[cited by examiner]
Portable Oxygen Concentrator. Nov. 4, 2024. Site visited Feb. 6, 2025. [https://tinyurl.com/4jszx9tz] (Year: 2024).
[cited by examiner]