USD423453SExpiredUtility

Light bulb life extender

Assignee: POWER MIZER ENTPR LLCPriority: Apr 28, 1999Filed: Apr 28, 1999Granted: Apr 25, 2000
Est. expiryApr 28, 2019(expired)· nominal 20-yr term from priority
43
PatentIndex Score
7
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a light bulb life extender, as shown and descibed.

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