USD401538SExpiredUtility
Chainless transmission unit of a bicycle
Est. expiryMar 25, 2017(expired)· nominal 20-yr term from priority
Inventors:Chen-Ching Chang
26
PatentIndex Score
3
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a chainless transmission unit of a bicycle, as shown and described.
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