USD315040SExpiredUtility

Ultrasonic cleaning machine

Assignee: IPCO CORPPriority: Dec 20, 1988Filed: Dec 20, 1988Granted: Feb 26, 1991

Est. expiryDec 20, 2008(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for an ultrasonic cleaning machine, as shown.

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