USD316446SExpiredUtility

Electric heater

48
Assignee: CAHO YANG ELECTRIC MGF CO LTDPriority: Mar 10, 1989Filed: Mar 10, 1989Granted: Apr 23, 1991
Est. expiryMar 10, 2009(expired)· nominal 20-yr term from priority
Inventors:Wen T. Lee
48
PatentIndex Score
7
Cited by
4
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD316446S — get alerts on status changes and closely related new filings.

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