USD242721SExpiredUtility

Electronic calculator

44
Assignee: SPERRY RAND CORPPriority: Aug 26, 1974Filed: Aug 26, 1974Granted: Dec 14, 1976
Est. expiryAug 26, 1994(expired)· nominal 20-yr term from priority
Inventors:Lewis H. HerrPaul W. PorterJohn S. Kovacs
44
PatentIndex Score
5
Cited by
0
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electronic calculator, substantially as shown and described.

Join the waitlist — get patent alerts

Track USD242721S — get alerts on status changes and closely related new filings.

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