Chessboard and chess

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12151176
APP PUB NO 20240108970A1
SERIAL NO

18536746

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Abstract

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A chessboard includes a housing having a chessboard area, wherein the chessboard area includes a plurality of chess squares; at least one first magnetic absorbing element arranged in the housing and corresponding to the chessboard area, configured to absorb, at least one chess piece having a second magnetic absorbing element by using a magnetic force; and a plurality of Hall elements arranged in the housing and corresponding to the plurality of chess squares, wherein each Hall element is configured to detect the second magnetic absorbing element of the at least one chess piece in the chess squares, and output a detected signal; and a control module, electrically connected to the plurality of Hall elements and configured to receive the detected signal to get information on the at least one chess piece in the chess squares.

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Patent Owner(s)

Patent OwnerAddress
LIAO JUNQUSHENZHEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liao, Junqu Shenzhen, CN 1 1

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 May 26, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 May 26, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 26, 2036
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Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00