USD332662SExpiredUtility

Portable oxygen system

43
Assignee: AMERICAN SAFETY FLIGHT SYSTEMS INCPriority: Aug 20, 1990Filed: Aug 20, 1990Granted: Jan 19, 1993
Est. expiryAug 20, 2010(expired)· nominal 20-yr term from priority
Inventors:Tomio Miya
43
PatentIndex Score
6
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable oxygen system, as shown.

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