Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 116/157
Name: Signals and indicators > Bells > Gong type > Pivoted striker > Multiple stroke
Description: Bells in which two or more strokes of the striking-hammer are given.










Sub-classes under this class:

Class Number Class Name Patents
116/163 Double 2
116/161 Escapement 1
116/158 Rotary striker 1


Patents under this class:

Patent Number Title Of Patent Date Issued
5022340 Portable mechanical burglar alarm Jun. 11, 1991
4970490 Motor bell alarm Nov. 13, 1990
3945340 Device for striking a bell Mar. 23, 1976











 
 
  Recently Added Patents
Method and system for producing fluoride gas and fluorine-doped glass or ceramics
Music composition automation including song structure
Information processing apparatus, information outputting method and computer program storage device
Satellite mounting poles
Sponge
Release layer
Peer-to-peer, internet protocol telephone system with proxy interface for configuration data
  Randomly Featured Patents
Techniques to reduce adjacent track erasure including a write pole with a tip having faces at angles
Validation of call processing network performance
Flow carbonate polymer blends
Electronic clinical thermometer
Electronic stethoscopic apparatus
Optimization of radar antenna switching hybrid in response to operating frequency
Combining and displaying multimedia content
Electronic apparatus having television device
Steam quality sensor
Chewing gum containing maltitol