USD291100SExpiredUtility
Toy building block
Est. expiryDec 4, 2005(expired)· nominal 20-yr term from priority
Inventors:Jens N. Knudsen
74
PatentIndex Score
14
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a toy building block, as shown and described.
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