Resonance mechanism for drums (membranophones)
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 1, 2014
Grant Date -
Dec 27, 2012
app pub date -
Jun 19, 2012
filing date -
Jun 24, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The presence of the described resonance device in the form of resonators (3, 4) influences the vibration characteristics of a membrane (2) in a defining manner and ensures a harmonic relationship between the fundamental and overtones of the drum sound, even if said drum does not have a closed sound box or shell (1).
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
ROLAND MEINL MUSIKINSTRUMENTE GMBH & CO KG | 91468 GUTENSTETTEN |
International Classification(s)

- 2012 Application Filing Year
- G10D Class
- 163 Applications Filed
- 137 Patents Issued To-Date
- 84.05 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Eckermann, Norbert | Vienna, AT | 1 | 3 |
# of filed Patents : 1 Total Citations : 3 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 1 Citation Count
- G10D Class
- 4.90 % this patent is cited more than
- 11 Age
Forward Cite Landscape
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Maintenance Fees
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 1, 2026 |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
Full Text

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