US 11,808,058 B2
Merchandise security devices for use with an electronic key
Gary A. Taylor, Fort Mill, SC (US); Jeffrey A. Grant, Charlotte, NC (US); and David N. Berglund, Indian Trail, NC (US)
Assigned to InVue Security Products Inc., Charlotte, NC (US)
Filed by InVue Security Products Inc., Charlotte, NC (US)
Filed on Jul. 12, 2022, as Appl. No. 17/862,796.
Application 17/862,796 is a continuation of application No. 16/739,638, filed on Jan. 10, 2020, granted, now 11,414,888.
Application 16/739,638 is a continuation of application No. 15/940,347, filed on Mar. 29, 2018, granted, now 10,533,344, issued on Jan. 14, 2020.
Application 15/940,347 is a continuation of application No. 15/249,620, filed on Aug. 29, 2016, granted, now 9,951,545, issued on Apr. 24, 2018.
Application 15/249,620 is a continuation of application No. 14/824,205, filed on Aug. 12, 2015, granted, now 9,428,938, issued on Aug. 30, 2016.
Application 14/824,205 is a continuation of application No. 14/328,051, filed on Jul. 10, 2014, granted, now 9,133,649, issued on Sep. 15, 2015.
Claims priority of provisional application 61/973,314, filed on Apr. 1, 2014.
Claims priority of provisional application 61/924,321, filed on Jan. 7, 2014.
Claims priority of provisional application 61/904,479, filed on Nov. 15, 2013.
Claims priority of provisional application 61/902,900, filed on Nov. 12, 2013.
Claims priority of provisional application 61/891,061, filed on Oct. 15, 2013.
Claims priority of provisional application 61/845,392, filed on Jul. 12, 2013.
Prior Publication US 2022/0341219 A1, Oct. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. E05B 47/00 (2006.01); E05B 73/00 (2006.01); E05B 67/00 (2006.01); E05B 15/16 (2006.01); E05B 51/00 (2006.01); E05B 67/10 (2006.01); A47F 5/00 (2006.01); A47F 7/28 (2006.01)
CPC E05B 47/0009 (2013.01) [A47F 5/0006 (2013.01); A47F 7/28 (2013.01); E05B 15/16 (2013.01); E05B 47/0001 (2013.01); E05B 51/005 (2013.01); E05B 67/00 (2013.01); E05B 67/10 (2013.01); E05B 73/00 (2013.01); E05B 73/0017 (2013.01); E05B 73/0023 (2013.01); E05B 73/0047 (2013.01); E05B 2047/0058 (2013.01); E05B 2047/0063 (2013.01); E05B 2047/0082 (2013.01); E05B 2047/0083 (2013.01); E05B 2047/0084 (2013.01); Y10T 70/413 (2015.04)] 21 Claims
OG exemplary drawing
 
1. A merchandise security device for protecting items of merchandise from theft, the merchandise security device comprising:
a lock mechanism; and
a shape memory material operably engaged with the lock mechanism and configured to receive electrical power from an electronic key for unlocking the lock mechanism,
wherein the shape memory material is configured to change in shape in response to receiving electrical power to thereby unlock the lock mechanism, and
wherein the merchandise security device is configured to be unlocked without performing an authorization protocol with the electronic key for determining whether the electronic key is authorized to unlock the lock mechanism.