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:
Jan. 10, 1984
Filed:
Feb. 17, 1982
Applicant:
Inventor:
Kenneth M Hattori, Bensenville, IL (US);
Assignee:
Emhart Industries, Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
181155 ; 181150 ; 181175 ; 181199 ;
Abstract
A bi-directional speaker unit is provided by a wedge shaped member having intersecting walls with spaced parallel angled louvers. The unit is coupled to a base member through a snap on means permitting other type units to be used with the same base member.
Quick Actions:
Hattori, Kenneth. (1984). Speaker assembly (U.S. Patent No. 4424881). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4424881
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