USD303540SExpiredUtility
Electronic calculator
Individually held — no corporate assignee on recordPriority: Jul 10, 1986Filed: Jul 10, 1986Granted: Sep 19, 1989
Est. expiryJul 10, 2006(expired)· nominal 20-yr term from priority
Inventors:Stephen H. Lewis
51
PatentIndex Score
6
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an electronic calculator, as shown.
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