USD311728SExpiredUtility

Central processing unit

Assignee: CASIO COMPUTER CO LTDPriority: Feb 27, 1989Filed: Feb 27, 1989Granted: Oct 30, 1990

Est. expiryFeb 27, 2009(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a central processing unit, as shown and described.

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