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
Method for transforming a single reactor line
Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom
Laminar library screen
Braided pull tug pet toy
Segmentation of a product markup image based on color and color differences
Point-of-sale cart
Secure soft SIM credential transfer
  Randomly Featured Patents
Cutting structures for casing component drillout and earth-boring drill bits including same
Climate variable lacrosse heads and related methods of use
Mobile phone
Filmstrip viewer
Image formation apparatus including means for detecting and controlling image formation condition
Light-emitting device, condensed polycyclic compound used therein and method for producing same
Filter device
Optical waveguide interferometer modulator-switch
High current conductors and high field magnets using anisotropic superconductors
Architecture for automating analytical view of business applications