USD443171SExpiredUtility

Lunch box warmer

48
Priority: Sep 17, 1999Filed: Sep 17, 1999Granted: Jun 5, 2001
Est. expirySep 17, 2019(expired)· nominal 20-yr term from priority
Inventors:Su-Yue Chen
48
PatentIndex Score
8
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The new and original design for a lunch box warmer, as shown and described.

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