USD530734SExpiredUtility
Calculator
Individually held — no corporate assignee on recordPriority: Aug 24, 2004Filed: Aug 24, 2004Granted: Oct 24, 2006
Est. expiryAug 24, 2024(expired)· nominal 20-yr term from priority
Inventors:David M. Greenspon
74
PatentIndex Score
21
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a calculator, as shown.Join the waitlist — get patent alerts
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