USD273873SExpiredUtility

Teaching clock

Assignee: ALESSIO FRANKPriority: Jul 13, 1981Filed: Jul 13, 1981Granted: May 15, 1984

Est. expiryJul 13, 2001(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a teaching clock, as shown and described.

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