USD284199SExpiredUtility

Combined ruler, clock and calculator

80
Assignee: LI ROBERT S KPriority: May 20, 1983Filed: Aug 2, 1983Granted: Jun 10, 1986
Est. expiryMay 20, 2003(expired)· nominal 20-yr term from priority
Inventors:Robert Li
80
PatentIndex Score
17
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined ruler, clock and calculator, as shown and combined.

Join the waitlist — get patent alerts

Track USD284199S — get alerts on status changes and closely related new filings.

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