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:
Jan. 15, 1980
Filed:
Nov. 29, 1977
Applicant:
Inventor:
Alan J Tooth, Whitchurch, GB;
Assignee:
Portals Limited, Hampshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B44F / ;
U.S. Cl.
CPC ...
428195 ; 427-7 ; 428208 ; 428209 ; 428900 ; 428916 ;
Abstract
A security paper which contains a security device e.g. a strip, thread or planchette having at least two machine verifiable security features thereon, one of which is a magnetic material, which may be magnetically coded or printed in a predetermined pattern on the device, and a second of which is a luminescent material, an X-ray absorbent or a metal. The provision of several features on one device provides a large increase in document security.