Door and window contact device for a security system

Latest Chuango Security Technology Corporation Patents:

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a door and window contact device for a security system in accordance with the design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for a door and window contact device for a security system, as shown and described.

Referenced Cited
U.S. Patent Documents
D680014 April 16, 2013 Corso
D680459 April 23, 2013 Corso
D680460 April 23, 2013 Corso
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
Classifications