USD340756SExpiredUtility

Toy yo-yo

41
Individually held — no corporate assignee on recordPriority: Oct 23, 1991Filed: Mar 9, 1992Granted: Oct 26, 1993
Est. expiryOct 23, 2011(expired)· nominal 20-yr term from priority
Inventors:Chak Kwong Ma
41
PatentIndex Score
7
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a toy yo-yo, as shown and described.

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