Broadband acoustic panels coupled with large secondary cavities to attenuate low frequencies

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9732677
SERIAL NO

15153442

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A structural panel for an aircraft nacelle may comprise a core between a perforated skin and a septum. A plurality of dividing walls may extend between the septum and a backskin to define a plurality of cavities. Each cavity may be in fluid communication with a plurality of cells in the core through the septum. The cells and the cavities may attenuate noise.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ROHR INC850 LAGOON DRIVE CHULA VISTA CA 91910

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chien, Eugene San Diego, US 1 13
Chiou, Song Irvine, US 21 325
Yu, Jia San Diego, US 137 1391

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Feb 15, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 15, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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