USD820479SActiveUtility

Light bulb filament

Assignee: XIAMEN ECO LIGHTING CO LTDPriority: Jun 5, 2017Filed: Jun 5, 2017Granted: Jun 12, 2018
Est. expiryJun 5, 2037(~10.9 yrs left)· nominal 20-yr term from priority
55
PatentIndex Score
6
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for light bulb filament, as shown and described.

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