USD271793SExpiredUtility
Air control check unit for fireplaces and the like
Individually held — no corporate assignee on recordPriority: May 8, 1981Filed: May 8, 1981Granted: Dec 13, 1983
Est. expiryMay 8, 2001(expired)· nominal 20-yr term from priority
Inventors:Byron D. Lane
30
PatentIndex Score
1
Cited by
11
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an air control check unit for fireplaces and the like, as shown and described.
Join the waitlist — get patent alerts
Track USD271793S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.