USD419187SExpiredUtility
Building block-type writing implement
Est. expiryOct 2, 2018(expired)· nominal 20-yr term from priority
Inventors:Cheng-Hua Chuang
63
PatentIndex Score
13
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a building block-type writing implement, as shown and described.
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