US 9,810,671 B2
Apparatus with timed color change indication
Gregory Lee Heacock, Maple Valley, WA (US); and Louis Ellen Culham, Maple Valley, WA (US)
Assigned to Sensor International, LLC, Snoqualmie, WA (US)
Filed by Sensor International, LLC, Maple Valley, WA (US)
Filed on Aug. 10, 2015, as Appl. No. 14/822,240.
Application 13/688,550 is a division of application No. 12/504,107, filed on Jul. 16, 2009, granted, now 8,388,131, issued on Mar. 5, 2013.
Application 14/822,240 is a continuation of application No. 13/780,050, filed on Feb. 28, 2013, granted, now 9,134,285.
Application 13/780,050 is a continuation in part of application No. 13/688,550, filed on Nov. 29, 2012, granted, now 8,702,237, issued on Apr. 22, 2014.
Application 12/504,107 is a continuation of application No. 11/607,298, filed on Nov. 30, 2006, abandoned.
Prior Publication US 2015/0346172 A1, Dec. 3, 2015
This patent is subject to a terminal disclaimer.
Int. Cl. G02C 7/00 (2006.01); G02C 7/02 (2006.01); G02C 7/04 (2006.01); G01N 31/22 (2006.01); A61K 47/22 (2006.01); A61B 17/3211 (2006.01); A61M 5/50 (2006.01); G02C 7/10 (2006.01); A61B 90/92 (2016.01); A61B 3/16 (2006.01); A61M 5/31 (2006.01); G01D 7/00 (2006.01); A61M 5/00 (2006.01); A61B 1/00 (2006.01); A61B 90/00 (2016.01)
CPC G01N 31/229 (2013.01) [A61B 17/3211 (2013.01); A61B 90/92 (2016.02); A61K 47/22 (2013.01); A61M 5/5086 (2013.01); G02C 7/021 (2013.01); G02C 7/04 (2013.01); G02C 7/104 (2013.01); G02C 7/108 (2013.01); A61B 1/00062 (2013.01); A61B 3/16 (2013.01); A61B 2090/0807 (2016.02); A61B 2090/0814 (2016.02); A61M 5/002 (2013.01); A61M 5/3129 (2013.01); A61M 2205/583 (2013.01); G01D 7/005 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An apparatus with controlled color change indication comprising:
a packaging comprising a disposable, limited or restricted use product;
an oxygen sensing color changeable dye disposed within the packaging, the dye being translucent or having a first color upon application and the dye changing color after exposure to less than atmospheric levels of oxygen of approximately 5 to 15% oxygen within the packaging
wherein the dye indicates the condition of the disposable, limited or restricted use product.