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:
Feb. 19, 1991
Filed:
Jan. 23, 1990
Applicant:
Inventors:
Takayuki Hiraki, Tokyo, JP;
Hideaki Kurata, Tokyo, JP;
Tetsuya Kamata, Tokyo, JP;
Eiji Shintani, Tokyo, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
181150 ; 181175 ; 381188 ; 381205 ;
Abstract
A speaker including a speaker unit, a speaker frame for supporting the speaker unit and a grille unit for covering the speaker frame. The grille unit is bolted to the speaker frame by bolts, and the grille unit includes flaps for covering head portions of the bolts used for bolting the grille unit to the speaker frame.