USD255431SExpiredUtility
Combined compass and digital clock
Individually held — no corporate assignee on recordPriority: Oct 31, 1977Filed: Oct 31, 1977Granted: Jun 17, 1980
Est. expiryOct 31, 1997(expired)· nominal 20-yr term from priority
Inventors:John J. Marmorale
63
PatentIndex Score
14
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined compass and digital clock, as shown.
Join the waitlist — get patent alerts
Track USD255431S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.