Keyboard instrument

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United States of America Patent

PATENT NO 11145278
APP PUB NO 20190259356A1
SERIAL NO

16274251

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provided a keyboard instrument in which a plurality of white keys and a plurality of black keys are arranged in a widthwise direction, a total width dimension of the plurality of white keys that constitute one octave is set to 160 mm or less, and a width dimension of an upper surface of each of the black keys is set to 9 mm or more and 10.5 mm or less.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ROLAND CORPORATION2036-1 NAKAGAWA HOSOE-CHO KITA-KU HAMAMATSU SHIZUOKA 431-1304

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kitagawa, Yoshiyasu Shizuoka, JP 5 19
Takata, Yukihide Shizuoka, JP 13 30

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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 Apr 12, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 12, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 12, 2033
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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