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US Patent D972630 Piano keyboard overlay

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D9726300

Patent Inventor Names

Joseph Bourke0

Date of Patent

December 13, 2022

Patent Application Number

297600160

Date Filed

November 27, 2020

Patent Citations Received

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US Patent D1022040 Label for piano keyboard note

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US Patent 11823586 Apparatus for playing chords on musical instruments for visually-impaired people and method of performing same

Patent Primary Examiner

‌

Catherine S Posthauer

CPC Code

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