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:
Jul. 13, 1999
Filed:
Nov. 13, 1997
Applicant:
Inventors:
Isao Isaka, Izumi, JP;
Takao Tanaka, Osaka, JP;
Assignee:
Attention System Co., Ltd., Osaka-fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42D / ;
U.S. Cl.
CPC ...
283114 ; 283 95 ; 283 94 ;
Abstract
A blockade seal includes a sheet substrate having a hologram forming surface on one surface thereof. A metallic deposition layer is formed on the hologram forming surface, and an adhesive layer is formed thereon. A releasing layer in which ink is filled is formed on the other surface of the sheet substrate. Ink which exhibits a color when it comes into contact with the atmosphere is filled in the releasing layer. A surface layer is formed on the releasing layer.