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. 15, 2008
Filed:
Nov. 26, 2002
Applicants:
Nicholas G. Pearson, Ware, GB;
Paul Howland, Andover, GB;
Inventors:
Nicholas G. Pearson, Ware, GB;
Paul Howland, Andover, GB;
Assignee:
De La Rue International Limited, Basingstoke, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 (2006.01); B32B 7/02 (2006.01); B42D 15/00 (2006.01); D21H 27/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to improvements in paper, and in particular to the use of watermarks and/or embossings for strengthening paper sheets and documents made therefrom. The invention therefore provides a sheet of paper having at least three corners and three sides joined at said corners, wherein corner reinforcing watermarks are provided at each of said corners. Alternatively, or in addition, corner reinforcing embossings are provided at each of said corners.