Safety element and a valuable object

Details Safety element and a valuable object Safety element and a valuable object

2000-08-29

2008-01-08

Ross, Dana (Department: 3722)

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

C283S072000, C428S916000

Reexamination Certificate

active

07316422

ABSTRACT:
This invention relates to an object of value with a security element having a thermochromic layer and disposed completely on the surface of the object of value. The thermochromic layer is combined with an effect layer having visually and/or machine testable properties.

REFERENCES:
patent: 5310222 (1994-05-01), Chatwin et al.
patent: 5883043 (1999-03-01), Halbrook et al.
patent: 6491324 (2002-12-01), Schmitz et al.
patent: 6616190 (2003-09-01), Jotcham
patent: 6688221 (2004-02-01), Kaule
patent: WO 99/04983 (1999-02-01), None
patent: WO 01/16426 (2001-03-01), None

Affiliated with

Also associated with

Rating

Safety element and a valuable object does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Safety element and a valuable object, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Safety element and a valuable object will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3963390