Piano playing machine
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United States of America Patent
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Issued Date -
Nov 18, 2021
app pub date -
May 11, 2021
filing date -
Oct 5, 2020
priority date (Note) -
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Abstract
A machine that attaches to any piano and pushes its keys and foot pedals in the order of any song. The machine can download songs from a software program and record songs played manually on a piano to replay them.
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