USD243851SExpiredUtility
Ventilator
Individually held — no corporate assignee on recordPriority: Jun 11, 1975Filed: Jun 11, 1975Granted: Mar 29, 1977
Est. expiryJun 11, 1995(expired)· nominal 20-yr term from priority
Inventors:John V. Felter
73
PatentIndex Score
10
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a ventilator, as shown.
Join the waitlist — get patent alerts
Track USD243851S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.