The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2017
Filed:
Mar. 31, 2015
Applicant:
Bose Corporation, Framingham, MA (US);
Inventors:
Agota F. Fehervari, Lexington, MA (US);
George Nichols, Dover, MA (US);
Assignee:
Bose Corporation, Framingham, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/00 (2006.01); H04R 9/06 (2006.01); H04R 11/02 (2006.01); H04R 7/12 (2006.01); H04R 1/06 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
H04R 7/125 (2013.01); H04R 1/06 (2013.01); H04R 31/003 (2013.01); H04R 2207/021 (2013.01); H04R 2307/021 (2013.01); H04R 2307/023 (2013.01); H04R 2307/025 (2013.01); H04R 2307/029 (2013.01);
Abstract
An acoustic diaphragm made at least in part from an expanded material. The expanded material includes one or more of cellulose, synthetic fibers and glass fibers. The expanded material has more than about 55% by volume voids.