Universal grand piano piano action with simultaneous half stroke keyboard design capability
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 24, 2010
Grant Date -
Dec 18, 2008
app pub date -
Jan 8, 2008
filing date -
Jun 14, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A universal grand piano piano action that has adjustable connections between the repetition base, heel, and rest cushion bracket of the piano action to provide a piano action that can be adjusted to fit any grand piano. Other components of the grand piano piano action, such as the jack and flanges, may require specific design and manufacture for each brand of grand piano. Universal grand piano piano action also allows true simultaneous half stroke keyboard design for both the white and sharp keys of a piano and includes the methods for installing simultaneous half stroke keyboard design into a grand piano.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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WESSELL NICKEL & GROSS INC | 4111 NORTH FREEWAY BOULEVARD SACRAMENTO CA 95834 |
International Classification(s)

- 2008 Application Filing Year
- G10C Class
- 36 Applications Filed
- 24 Patents Issued To-Date
- 66.67 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Burgett, Kirk | Sacramento, US | 14 | 27 |
# of filed Patents : 14 Total Citations : 27 | |||
Burke, Kevin | Haverhill, US | 28 | 229 |
# of filed Patents : 28 Total Citations : 229 | |||
Clark, Bruce E | Nottingham, US | 7 | 8 |
# of filed Patents : 7 Total Citations : 8 |
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Patent Citation Ranking
- 2 Citation Count
- G10C Class
- 0 % this patent is cited more than
- 15 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
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