USD348908SExpiredUtility

Three dimensional checkerboard

68
Assignee: SEILER MICHAELPriority: Dec 21, 1992Filed: Dec 21, 1992Granted: Jul 19, 1994
Est. expiryDec 21, 2012(expired)· nominal 20-yr term from priority
Inventors:Michael Seiler
68
PatentIndex Score
17
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design of a three dimensional checkerboard, as shown and described.

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