USD851066SActiveUtility
Acoustic device
Assignee: DONG GUAN JIA SHENG LIGHTING TECH CO LTD CHINAPriority: Sep 7, 2017Filed: Sep 7, 2017Granted: Jun 11, 2019
Est. expirySep 7, 2037(~11.1 yrs left)· nominal 20-yr term from priority
Inventors:Kevin Hsu
56
PatentIndex Score
6
Cited by
37
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an acoustic device, as shown and described.Join the waitlist — get patent alerts
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