USD261773SExpiredUtility

Design for a handheld calculator

66
Assignee: TEXAS INSTRUMENTS INCPriority: Mar 15, 1979Filed: Mar 15, 1979Granted: Nov 10, 1981
Est. expiryMar 15, 1999(expired)· nominal 20-yr term from priority
Inventors:Shinpei IchikawaWilliam J. Lawrence
66
PatentIndex Score
8
Cited by
3
References
1
Claims

Claims

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

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