USD310156SExpiredUtility

Lunch box

37
Individually held — no corporate assignee on recordPriority: Apr 1, 1987Filed: Apr 1, 1987Granted: Aug 28, 1990
Est. expiryApr 1, 2007(expired)· nominal 20-yr term from priority
Inventors:Pi-Sun Chen
37
PatentIndex Score
7
Cited by
1
References
1
Claims

Claims

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

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