USD246067SExpiredUtility

Calculator casing

31
Assignee: TEXAS INSTRUMENTS INCPriority: Apr 28, 1975Filed: Apr 28, 1975Granted: Oct 11, 1977
Est. expiryApr 28, 1995(expired)· nominal 20-yr term from priority
Inventors:Eugene J. Sulek
31
PatentIndex Score
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Cited by
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References
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Claims

Claims

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

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