Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 116/90
Name: Signals and indicators > Alarms > Burglar > Closure operated > Door and window > Gear and friction wheel
Description: Signals and alarms actuated by gear or friction wheels attached to the moving door or window and in contact with the floor or window frame.

Patents under this class:

Patent Number Title Of Patent Date Issued
4106427 Alarm system Aug. 15, 1978

  Recently Added Patents
System and method for reducing antivirus false positives
Network client validation of network management frames
System and method for determining payroll related insurance premiums
Integrated circuit packaging system with laser hole and method of manufacture thereof
Microbial fuel cell and method of use
Electronic system with vertical intermetallic compound
Method for execution upon processing of at least one histological sample
  Randomly Featured Patents
Method and apparatus for providing data processing and control in medical communication system
Method of and apparatus for editing video signals using a temporary recording medium
Method and apparatus for setting parameters in a system
Method for synthesis of 8-alkoxy-9H-isothiazolo[5,4-B]quinoline-3,4-diones
Grooving or threading tool
Method for isolating a C3 binding protein of streptococcus pneumoniae
Hot swapping memory method and system
Catadioptric reduction projection optical system
DRAM selective self refresh
Rasp handle