USD307290SExpiredUtility

Calculator or similar article

35
Assignee: CAL COMP ELECTRONICS INCPriority: Nov 25, 1987Filed: Nov 25, 1987Granted: Apr 17, 1990
Est. expiryNov 25, 2007(expired)· nominal 20-yr term from priority
Inventors:Ray Chen
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PatentIndex Score
2
Cited by
6
References
1
Claims

Claims

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

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