USD421279SExpiredUtility

Toy helicopter

Assignee: TSAI WEN-HOPriority: Apr 12, 1999Filed: Apr 12, 1999Granted: Feb 29, 2000
Est. expiryApr 12, 2019(expired)· nominal 20-yr term from priority
Inventors:Wen-Ho Tsai
92
PatentIndex Score
47
Cited by
1
References
1
Claims

Claims

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

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