USD487141SExpiredUtility
Electric heater
Priority: Dec 7, 2002Filed: Jun 5, 2003Granted: Feb 24, 2004
Est. expiryDec 7, 2022(expired)· nominal 20-yr term from priority
Inventors:Tian Yu Gao
66
PatentIndex Score
17
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an electric heater, as shown and described.
Join the waitlist — get patent alerts
Track USD487141S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.