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.

Date of Patent:
Apr. 22, 2003

Filed:

Mar. 05, 2001
Applicant:
Inventor:

Takayuki Usui, Shizuoka-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/00 ;
U.S. Cl.
CPC ...
B32B 3/00 ;
Abstract

A protective cardboard for planographic printing plates has a cardboard main body, a moisture-proofing layer on both surfaces of the cardboard main body, and an adhering paper adhered onto the moisture-proofing layer. By the adhering paper contacting an interleaf sheet, a coefficient Y of static friction between the protective cardboard and the interleaf sheet is equal to or less than a coefficient X of static friction between the interleaf sheet and an image forming surface of the planographic printing paper (i.e., Y≦X).


Find Patent Forward Citations

Usui, Takayuki. (2003). Interleaf sheet for planographic printing plates, abutting member for planographic printing plates, and packaging structure for planographic printing plates (U.S. Patent No. 6551696). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6551696

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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