USD271025SExpiredUtility

Combined ruler and electronic calculator

Assignee: RJP ELECTRONICS LTDPriority: Jul 19, 1982Filed: Dec 29, 1982Granted: Oct 18, 1983
Est. expiryJul 19, 2002(expired)· nominal 20-yr term from priority
Inventors:Robert Li
86
PatentIndex Score
23
Cited by
10
References
1
Claims

Claims

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

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