ADT SECURITY SYSTEMS, INC.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 02, 1989 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,195 Total Citation Count
- Jul 27, 1977 Earliest Filing
- 51 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4709151 Steerable mirror assembly and cooperative housing for a passive infrared intrusion detection systemExpiredOct 23, 85Nov 24, 87[G01J]
4707604 Ceiling mountable passive infrared intrusion detection systemExpiredOct 23, 85Nov 17, 87[G08B, G01J]
4647913 Self-diagnostic ultrasonic intrusion detection systemExpiredJan 15, 85Mar 03, 87[G08B, G01S]
4644484 Stand-alone access control system clock controlExpiredMay 22, 84Feb 17, 87[H03K, G08B, G04B, G04F]
4625115 Ceiling mountable passive infrared intrusion detection systemExpiredDec 11, 84Nov 25, 86[G01J]
4625199 Combination intrusion detector system having correlated ultrasonic and microwave detection sub-systemsExpiredJan 14, 85Nov 25, 86[G08B]
4622546 Apparatus and method for displaying characters in a bit mapped graphics systemExpiredDec 23, 83Nov 11, 86[G09G]
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