USD371166SExpiredUtility

Convex multi-level chess board

Individually held — no corporate assignee on recordPriority: Aug 1, 1994Filed: Aug 1, 1994Granted: Jun 25, 1996
Est. expiryAug 1, 2014(expired)· nominal 20-yr term from priority
57
PatentIndex Score
12
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a convex multi-level chess board, as shown and described.

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