USD304213SExpiredUtility

Toy construction ring

60
Assignee: CHEN CHEN-TSUNGPriority: Jul 22, 1987Filed: Jul 22, 1987Granted: Oct 24, 1989
Est. expiryJul 22, 2007(expired)· nominal 20-yr term from priority
Inventors:Chen-Tsung Chen
60
PatentIndex Score
9
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a toy construction ring, as shown.

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