Sound wave metamaterial
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United States of America Patent
Stats
-
May 1, 2018
Issued Date -
N/A
app pub date -
Jul 28, 2014
filing date -
Feb 28, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A sound wave metamaterial amplifies a sound wave, and includes a plate. The plate has a plurality of sound wave guides passing through both surfaces of the plate and having a predetermined pattern. The sound wave guides are spaced apart from each other by a predetermined distance and face each other, with respect to a central point, a central axis or a central surface.
First Claim
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International Classification(s)
- 2014 Application Filing Year
- G10K Class
- 441 Applications Filed
- 341 Patents Issued To-Date
- 77.33 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- G10K Class
- 20.24 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 1, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 1, 2029 |
