USD528212SExpiredUtility

Portable oxygen concentrator

95
Assignee: INOGEN INCPriority: Oct 7, 2003Filed: Mar 23, 2005Granted: Sep 12, 2006
Est. expiryOct 7, 2023(expired)· nominal 20-yr term from priority
Inventors:Scott ConwayRex O. Bare
95
PatentIndex Score
68
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a portable oxygen concentrator, as shown and described.

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