Multiple level chess board system
Description
Claims
The ornamental design for a multiple level chess board system, as shown and described.
Referenced Cited
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Patent History
Patent number: D1028101
Type: Grant
Filed: Dec 22, 2021
Date of Patent: May 21, 2024
Inventor: Erik K. Andersen (Munster, IN)
Primary Examiner: Susan Moon Lee
Application Number: 29/820,587
Type: Grant
Filed: Dec 22, 2021
Date of Patent: May 21, 2024
Inventor: Erik K. Andersen (Munster, IN)
Primary Examiner: Susan Moon Lee
Application Number: 29/820,587
Classifications