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. 18, 1997
Filed:
Feb. 01, 1995
Applicant:
Inventors:
Hannu Karhuketo, Valkeakoski, FI;
Alpo A Pollari, Valkeakoski, FI;
Pentti K Rautanen, Valkeakoski, FI;
Assignee:
Yhtyneet Paperitehtaat Oy, Valkeakoski, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428323 ; 428326 ; 428327 ; 428340 ; 4285375 ; 428221 ;
Abstract
The invention concerns a paper-based, soft or semi-hard sheet material which contains a core layer of compressed shredded paper with surface layers. The material is suited for use as inner end shields for paper reels, for example.