USD247720SExpiredUtility

Oxygen hood

49
Assignee: THE FLUOROCARBON COMPANYPriority: Dec 15, 1975Filed: Dec 15, 1975Granted: Apr 11, 1978
Est. expiryDec 15, 1995(expired)· nominal 20-yr term from priority
Inventors:Frank Wilhelm
49
PatentIndex Score
5
Cited by
5
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD247720S — get alerts on status changes and closely related new filings.

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