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. 15, 1994
Filed:
Feb. 04, 1993
Applicant:
Inventor:
Tokichi Kato, Kanagawa, JP;
Assignee:
Marui Industry Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362 85 ; 362 24 ;
Abstract
A control panel includes a cover plate and at least one cap-shaped control key or button. The key includes a cap-shaped plastic substrate the side wall of which includes a light-block cylindrical portion for preventing light from leaking out through the side wall, even if the light-block coating formed on the outer surface of the side wall is not sufficient.