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:
Mar. 06, 2001
Filed:
Jul. 28, 1999
Takao Shimizu, Saitama, JP;
Satoshi Mieno, Saitama, JP;
Tsutomu Nagasawa, Saitama, JP;
Yoshinari Shizukuda, Saitama, JP;
Shin-Etsu Polymer Co., Ltd., , JP;
Abstract
A key top element capable of being manufactured while permitting a design of a display section thereof to be readily modified and corrected, accommodating a variety of data for design formation, and capable of exhibiting increased design properties. The key top element includes a printed sheet constituted by a substrate sheet member, an on-demand printed layer and a white- or silver-colored layer, as well as transparent key top members fixedly bonded to the printed sheet. The on-demand printed layer is printed in the form of a symbol or the like on the substrate sheet member using an on-demand printing machine. A push button switch element is also disclosed which includes such a key top element and a light-permeable rubber cover base bonded to the key top element.