USD621439SActiveUtility
Silencer for trumpet
Est. expiryFeb 6, 2027(~0.5 yrs left)· nominal 20-yr term from priority
Inventors:Shinji Hamanaga
60
PatentIndex Score
12
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a silencer for trumpet, as shown and described.
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