Patent · US Active

Deactivation of a security feature

US8681004B2 · kind B2 · utility

0Cited by

1References

17Claims

0Family size

Assignee

EASTMAN KODAK COMPANY · US

Inventors

Thomas D. Pawlik · Rochester, US
Myra T. Olm · Webster, US
Judith A. Bose · Webster, US

Key dates

Filing date	Apr 27, 2011
Grant date	Mar 25, 2014
Priority date	—
Expiry date	May 31, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG08B13/242
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A method to deactivate a security measure includes applying a first covert optically active security marker to a product or document; completing a transaction for the product or document; and applying a second optically active security marker to the product or document which indicates completion of the transaction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.