USD318287SExpiredUtility

Portable electronic calculator

Assignee: SEKISUI CHEMICAL CO LTDPriority: Apr 14, 1989Filed: Oct 16, 1989Granted: Jul 16, 1991

Est. expiryApr 14, 2009(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a portable electronic calculator, as shown.

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