USD284757SExpiredUtility
Adapter base for electric lamp
Individually held — no corporate assignee on recordPriority: Jul 7, 1983Filed: Jul 7, 1983Granted: Jul 22, 1986
Est. expiryJul 7, 2003(expired)· nominal 20-yr term from priority
Inventors:Herman J. Engel
48
PatentIndex Score
4
Cited by
20
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for adapter base for electric lamp, as shown.
Join the waitlist — get patent alerts
Track USD284757S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.