USD261118SExpiredUtility

Sonic signal generator

Assignee: PROCTOR & ASS COMPANYPriority: Jun 4, 1979Filed: Jun 4, 1979Granted: Oct 6, 1981

Est. expiryJun 4, 1999(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a sonic signal generator, as shown.

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