USD276181SExpiredUtility
Oil heater
Assignee: MATSUSHITA ELECTRIC INDUSTRIAL CO LTDPriority: Feb 19, 1982Filed: Jun 18, 1982Granted: Oct 30, 1984
Est. expiryFeb 19, 2002(expired)· nominal 20-yr term from priority
41
PatentIndex Score
2
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an oil heater, as shown.
Join the waitlist — get patent alerts
Track USD276181S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.