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:
Feb. 05, 1991
Filed:
Sep. 08, 1989
Yasuo Kobayashi, Tokyo, JP;
Yasuo Hirasawa, Tokyo, JP;
Churyo Kodama, Tokyo, JP;
Katsumi Miyazaki, Tokyo, JP;
Takao Higashi, Tokyo, JP;
Masami Yanagisawa, Shizuoka, JP;
Akinori Sei, Shizuoka, JP;
Tomoegawa Paper Co., Ltd., Tokyo, JP;
Hitachi Ltd., Tokyo, JP;
Abstract
A lighting lamp having a display sheet laminated on the surface of a bulb thereof, said display sheet comprising a support having laminated thereon a light-susceptible layer including an active layer containing at least one of a dye and a pigment capable of coloring, fading, or discoloring by the action of an active light and an adhesive layer formed on the surface of the light-susceptible layer such that the portion corresponding to at least the display portion thereof is exposed, and being laminated on the surface of the bulb by the adhesive layer.