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. 30, 2001
Filed:
Jun. 04, 1999
Applicant:
Inventor:
Masaya Katori, Tokyo, JP;
Assignee:
Polymatech Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 3/508 ;
U.S. Cl.
CPC ...
B29C 3/508 ;
Abstract
A manufacturing method of a keypad for a contact character illumination rubber switch composed of a surface enriched in color design variations is provided. The method includes forming a black or gray intermediate layer (,) on a surface portion of a color keypad member (,) for a contact character illumination switch of the mobile communication system, electric equipment components for cars or the like. A colored surface layer (,) is formed thereon with any color. A laser beam is applied from the upper side thereof for burning up and removing the intermediate layer and the colored surface layer.