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:
Jun. 18, 1991
Filed:
May. 26, 1989
Applicant:
Inventors:
Toru Katsura, Tokyo, JP;
Hiroo Kaji, Tokyo, JP;
Kenji Hyodo, Tsuchiura, JP;
Hirokazu Ohkura, Tokyo, JP;
Assignee:
Mitsubishi Paper Mills Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503200 ; 428211 ; 4285375 ; 503226 ;
Abstract
Heat sensitive recording paper having such a thickness distribution that the average amplitude of paper thickness variation, between 0.2-mm and 1.0-mm wavelengths of paper thickness variation, does not exceed 0.5 .mu.m and no distinctive variation peak is present in the above wavelength range.