USD251862SExpiredUtility

Round chessboard or checkerboard

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Assignee: BETROS JR NORMANPriority: Jan 13, 1977Filed: Jan 13, 1977Granted: May 15, 1979
Est. expiryJan 13, 1997(expired)· nominal 20-yr term from priority
Inventors:Norman Betros, Jr.
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PatentIndex Score
9
Cited by
0
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a round chessboard or checkerboard, as shown and described.

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