US 11,699,362 B2
Self-expiring identification bands and methods of use thereof
Jeana Church, West Bend, WI (US); Harry Miesner, Wauwatosa, WI (US); Ryan Worm, Port Washington, WI (US); Rajesh Guntupalli, Glendale, WI (US); Kevin J. Stafeil, Delafield, WI (US); Andrew Schmitt, Porter Ranch, CA (US); and Kyle Beljanski, North Hollywood, CA (US)
Assigned to Precision Dynamics Corporation, Valencia, CA (US)
Filed by Precision Dynamics Corporation, Valencia, CA (US)
Filed on May 6, 2021, as Appl. No. 17/313,776.
Claims priority of provisional application 63/026,540, filed on May 18, 2020.
Prior Publication US 2021/0358336 A1, Nov. 18, 2021
Int. Cl. G09F 3/00 (2006.01); B32B 7/12 (2006.01); G09F 3/02 (2006.01); C09J 7/29 (2018.01)
CPC G09F 3/0291 (2013.01) [B32B 7/12 (2013.01); C09J 7/29 (2018.01); G09F 3/005 (2013.01); B32B 2255/24 (2013.01); B32B 2307/40 (2013.01); C09J 2301/122 (2020.08); C09J 2301/16 (2020.08); C09J 2301/41 (2020.08); G09F 2003/0257 (2013.01)] 31 Claims
OG exemplary drawing
 
1. A self-expiring identification band comprising:
a facestock that is elongated in the longitudinal direction, having a top surface and a bottom surface;
a first chemical composition disposed on at least a portion of the top surface of the facestock, said portion of the top surface running at least a third of a length of the facestock; and
a second chemical composition disposed on at least a portion of the bottom surface of the facestock, said portion running at least a third of the length of the facestock;
wherein the first and second chemical compositions are coactable to cause a visually perceptible change to the top surface of the facestock.