US 12,406,165 B2
Temperature indicator
Anthony N. Fonk, Austin, TX (US); and Aldric Lee, Plano, TX (US)
Assigned to ShockWatch, Inc., Dallas, TX (US)
Filed by ShockWatch, Inc., Dallas, TX (US)
Filed on Feb. 24, 2022, as Appl. No. 17/652,387.
Application 17/652,387 is a continuation of application No. 16/263,768, filed on Jan. 31, 2019, granted, now 11,263,504.
Claims priority of provisional application 62/917,398, filed on Dec. 6, 2018.
Claims priority of provisional application 62/709,839, filed on Feb. 1, 2018.
Prior Publication US 2022/0180139 A1, Jun. 9, 2022
Int. Cl. G06K 19/07 (2006.01); G01K 1/024 (2021.01); G01K 3/04 (2006.01); G01K 11/00 (2006.01); G01K 11/06 (2006.01)
CPC G06K 19/0717 (2013.01) [G01K 1/024 (2013.01); G01K 3/04 (2013.01); G01K 11/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A temperature indicator, comprising:
a housing having a detection assembly, the detection assembly including:
first and second elements; and
circuitry configured to detect whether the first element is in an open circuit condition or a closed circuit condition relative to a contact; and
wherein responsive to the indicator being subjected to a temperature exceeding a threshold, the second element changes in a size thereof to cause a change in engagement between the first element and the contact, and wherein the circuitry is configured to output a value based on whether the first element and the contact are in the open circuit condition or the closed circuit condition.