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:
Mar. 17, 1981
Filed:
Aug. 17, 1979
Applicant:
Inventors:
Eduard Kusters, 4150 Krefeld, DE;
Werner Hartmann, Krefeld, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B / ;
U.S. Cl.
CPC ...
100 38 ; 29130 ; 29132 ; 100 / ; 100176 ; 100170 ; 165 90 ;
Abstract
A paper calender using a polyurethane coated calendering cylinder is operated with the coating maintained at an unusually low temperature found to prevent damage to the coating when calendering at high speeds and pressures.
Kusters, Eduard. (1981). Paper calender and its operation (U.S. Patent No. 4256034). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4256034
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile