USD324544SExpiredUtility

Language learning aid

Assignee: DUH RICHARDPriority: Jun 1, 1990Filed: Jun 1, 1990Granted: Mar 10, 1992

Est. expiryJun 1, 2010(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a language learning aid, as shown.

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