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:
Apr. 04, 1995
Filed:
Apr. 11, 1991
Applicant:
Inventors:
Tatsuya Moriike, Iwaki, JP;
Atsushi Haseyama, Iwaki, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H / ; G01D / ; G09G / ;
U.S. Cl.
CPC ...
34081556 ; 362293 ; 362 28 ; 200341 ;
Abstract
A luminous key top having display sections comprises: a display member having a plurality of protrusions corresponding to the respective external configurations of the display sections and formed of a transparent or a translucent synthetic resin; an external member consisting of an opaque synthetic resin and formed integrally on the display member except for the respective top surfaces of the protrusions; first light-transmitting color layers formed by printing on the respective top surfaces of the protrusions; and second light-transmitting color layers formed by printing on the first light-transmitting color layers.