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:
Aug. 20, 2013
Filed:
May. 05, 2010
Applicant:
Gert Holmström, Lund, SE;
Inventor:
Gert Holmström, Lund, SE;
Assignee:
Tetra Laval Holdings & Finance S.A., Pully, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A packaging material comprising a plurality of magnetizable portions thereon comprising at least one spot per package to be formed from the packaging material is disclosed. At least one of the magnetizable portions provides a magnetic mark carrying a magnetic field pattern. The magnetic field pattern comprises a first magnetic field peak having a first polarity and a second magnetic field peak having a second opposite polarity.