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:
Jun. 25, 1985
Filed:
Jun. 07, 1983
Applicant:
Inventor:
Kent Frye, Buchanan, MI (US);
Assignee:
Electro-Voice, Incorporated, Buchanan, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R / ; H04R / ; H04R / ;
U.S. Cl.
CPC ...
1791 / ; 1791 / ; 1791 / ; 181152 ; 181159 ; 181177 ; 181190 ;
Abstract
A horn loudspeaker with a convex diaphragm in which the throat of the horn is formed by an assembly including the diaphragm, a cover plate for the diaphragm, a tapered plug, and a base, the plug and cover forming linear channels of equal length confronting different portions of the convex dome of the diaphragm.
Frye, Kent. (1985). Horn loudspeaker with convex diaphragm (U.S. Patent No. 4525604). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4525604
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile