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:
Dec. 20, 2011
Filed:
Sep. 02, 2009
Applicants:
Liang-ta Yeh, Shulin, TW;
Chih-chung Yen, Bade, TW;
Inventors:
Liang-Ta Yeh, Shulin, TW;
Chih-Chung Yen, Bade, TW;
Assignee:
Darfon Electronics Corp., Gueishan, Taoyuan, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a keyswitch. The keyswitch comprises a keycap, an adhesive layer, an electroplated layer, and a protecting layer. The adhesive layer has at least one color and covers the keycap. The electroplated layer covers the adhesive layer. After a part of the protecting layer and the electroplate layer is removed, a cave is formed on the keyswitch surface to show the at least one color.
Yeh, Liang-Ta. (2011). Input apparatus and keyswitch (U.S. Patent No. 8080753). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8080753
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile