USD503220SExpiredUtility

Electric heater

47
Assignee: JST IND CO LTDPriority: Aug 12, 2003Filed: Jan 20, 2004Granted: Mar 22, 2005
Est. expiryAug 12, 2023(expired)· nominal 20-yr term from priority
Inventors:Sang Won Kim
47
PatentIndex Score
7
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for the electric heater, as shown and described.

Join the waitlist — get patent alerts

Track USD503220S — get alerts on status changes and closely related new filings.

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