Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 116/80
Name: Signals and indicators > Alarms > Burglar > Portable > Key or keyhole
Description: Devices in which means are provided whereby the key or keyhole is utilized in securing the device to the door, the alarm being actuated by the insertion, the attempt to insert, or the turning of the key in the keyhole.










Patents under this class:

Patent Number Title Of Patent Date Issued
7866195 Door lock indicator Jan. 11, 2011











 
 
  Recently Added Patents
Communication system and data transmission method thereof
Collating device, collating method, and program
Comb
Communication apparatus, communication method, and communication system
LED-array package
High power fiber amplifier with stable output
Architectural panel with natural fossil spade leaf embossed surface
  Randomly Featured Patents
Petunia plant named `A-24`
Pedestrian information and guidance bulletin board
Document registration and skew detection system
Doll with changeable hair piece
Method and device for recognizing speech in a spelling mode including word qualifiers
Method of making a surface acoustic wave device
Recovery and transmission of return-to-zero formatted data using non-return-to-zero devices
Camera which is pleasing in appearance, which can be easily assembled, and in which appearance portions such as a window for a range-measuring unit are fixed without being deformed
Electronic device with cover
Hopper loading directly insertable horizontally mounted cylindrical segmented bore pleated filter system for rotary broom sweepers