USD672445SActiveUtility
Forced air heater
Est. expiryMay 21, 2032(~5.8 yrs left)· nominal 20-yr term from priority
41
PatentIndex Score
5
Cited by
16
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a forced air heater, as shown and described.
Join the waitlist — get patent alerts
Track USD672445S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.