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. 13, 1999
Filed:
Jun. 23, 1998
Applicant:
Inventors:
Chi-Lung Tsai, Taipei Hsien, TW;
Chui-Yu Chiu, Taipei, TW;
Assignee:
Silitek Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427555 ; 427258 ; 427353 ; 427370 ; 4273855 ; 4274071 ; 427421 ; 4274301 ; 427596 ;
Abstract
A manufacturing method of water-covering type transparent keyboard comprises the steps of preparing the main body of silicone rubber keyboard, surface printing and coating, polyurethane layer coating, polyvinylalcohol thin film dipping, water rinsing, laser engraving text and graph forming, and polyurethane protective layer coating to form a water-covering keyboard. The water-covering type transparent keyboard according to the present invention can realize the effect of softness and good coherence.
Tsai, Chi-Lung. (1999). Manufacturing method of water-cover type transparent keyboard (U.S. Patent No. 5894039). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5894039
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