Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 116/155
Name: Signals and indicators > Bells > Gong type > Pivoted striker
Description: Bells in which the striker or hammer is pivoted and may be either inside or outside the gong.










Sub-classes under this class:

Class Number Class Name Patents
116/157 Multiple stroke 3
116/156 Multiple 1
116/165 Pull cord or rod 0
116/164 Spring impact 2


Patents under this class:

Patent Number Title Of Patent Date Issued
7225753 Bell device Jun. 5, 2007
6739282 Bell assembly having actuatable clapper May. 25, 2004
6239692 Sounder May. 29, 2001
6125785 Bell assembly Oct. 3, 2000
5975008 Rotatable striking elements for a handbell Nov. 2, 1999
5659286 Doorbell base Aug. 19, 1997
5550319 Decorative display and ornament therefor Aug. 27, 1996
5315909 Musical wind chime May. 31, 1994
4977850 Signal apparatus Dec. 18, 1990
4941424 Door alarm Jul. 17, 1990
4677892 Electrical actuator for percussion instruments Jul. 7, 1987
4566400 Handbell Jan. 28, 1986
4135474 Bell actuating mechanism Jan. 23, 1979











 
 
  Recently Added Patents
Image recording device, image recording method, and computer program product that adds a fluorescent-whitening-agent onto a recording sheet
Pyrazole kinase modulators and methods of use
Profiled rail for advertising/display units
Business flow processing method and apparatus
Correcting color plate data for mis-registration in a sub-scanning direction by performing a pixel transition at the transition point aligned in the main-scanning direction
Enzymatic demethylation of flavonoids
Image forming apparatus
  Randomly Featured Patents
Bi-directional filter wrench
Sewage treatment process
Test apparatus and circuit apparatus
Reversible tensioner
Optical element, compound optical element, and illuminating apparatus
Active control of unsteady motion phenomena in turbomachinery
Antenna feedhorn with protective window
Selectively configurable probe structures, e.g., for testing microelectronic components
Ink jet head, and ink jet recording device and ink jet plate making apparatus using the same
Article support system