USD326471SExpiredUtility

Calculator

59
Assignee: DATEL ELECTROCRAFT CORPPriority: Oct 24, 1990Filed: Oct 24, 1990Granted: May 26, 1992
Est. expiryOct 24, 2010(expired)· nominal 20-yr term from priority
Inventors:Chiu-Yuan Chen
59
PatentIndex Score
10
Cited by
6
References
1
Claims

Claims

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

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