Door and window contact device for a security system
Latest Chuango Security Technology Corporation Patents:
Description
Claims
The ornamental design for a door and window contact device for a security system, as shown and described.
Referenced Cited
Patent History
Patent number: D757586
Type: Grant
Filed: Dec 19, 2014
Date of Patent: May 31, 2016
Assignee: Chuango Security Technology Corporation (Fuzhou)
Inventor: Chen Li (Fuzhou)
Primary Examiner: George D Kirschbaum
Application Number: 29/512,507
Type: Grant
Filed: Dec 19, 2014
Date of Patent: May 31, 2016
Assignee: Chuango Security Technology Corporation (Fuzhou)
Inventor: Chen Li (Fuzhou)
Primary Examiner: George D Kirschbaum
Application Number: 29/512,507
Classifications
Current U.S. Class:
Motion Or Occupancy Detector (D10/106.6)