US Patent 7578468 Acoustic absorption system for an aircraft airframe
Patent 7578468 was granted and assigned to Sikorsky Aircraft on August, 2009 by the United States Patent and Trademark Office.
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Patent abstract
An airframe includes a mass barrier layer mounted to a multitude of frame members and adjacent to each of a multitude of foam portions to provide a contiguous layer to seal the foam portions within the respective multitude of frame voids.
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US Patent 07578468 Acoustic absorption system for an aircraft airframe US Patent 7578468 Acoustic absorption system for an aircraft airframe
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Patent Number
0757846800
Patent Number
757846800
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075784680
Date of Patent
August 25, 2009
0Patent Application Number
110176020
Date Filed
December 20, 2004
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075784680
Date of Patent
August 25, 2009
0Patent Application Number
110176020
Date Filed
December 20, 2004
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
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US Patent 07578468 Acoustic absorption system for an aircraft airframe
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07578468
Date of patent
August 25, 2009
Patent application number
11017602
Date Filed
December 20, 2004
Patent primary examiner
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