USD284695SExpiredUtility

Oxygen concentrator

78
Assignee: GREENE & KELLOGGPriority: Nov 1, 1983Filed: Nov 1, 1983Granted: Jul 15, 1986
Est. expiryNov 1, 2003(expired)· nominal 20-yr term from priority
Inventors:Norman R. Mccombs
78
PatentIndex Score
14
Cited by
6
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD284695S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.