Keyboard instrument and manufacturing method therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 7, 2021
Grant Date -
Jan 21, 2021
app pub date -
Jul 16, 2020
filing date -
Jul 17, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
A keyboard instrument includes an upper case having an upper side installation part; a lower case having a lower side installation part at a position corresponding to the upper side installation part of the upper case; a keyboard unit including a key-connecting part to which a plurality of keys are connected, the key-connecting part having an insertion hole to which at least one of the upper side installation part and the lower side installation part is inserted; and a fastening member fastening the upper side installation part and the lower side installation part together.
First Claim
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Family
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International Classification(s)
- 2020 Application Filing Year
- G10H Class
- 331 Applications Filed
- 226 Patents Issued To-Date
- 68.28 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- G10H Class
- 39.85 % this patent is cited more than
- 4 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jun 7, 2025 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 7, 2029 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 7, 2033 |
