Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 178/106
Name: Telegraphy > Keys > Shifting contact point
Description: Telegraph keys having one or more of the contacts movable or revoluble, so that the points of contact may be renewed when they are roughened or burned by heavy currents or use.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Integrated circuit packaging system with an encapsulation and method of manufacture thereof
System and method for access of user accounts on remote servers
Monitoring heap in real-time by a mobile agent to assess performance of virtual machine
System and method for the heterologous expression of polyketide synthase gene clusters
Instrumenting configuration and system settings
Transmitting a synchronizing signal in a packet network
  Randomly Featured Patents
Apparatus for coordinating clock distribution in a fully redundant computer system
Structured detergent pastes and a method for manufacturing detergent particles from such pastes
Method and apparatus for playing-back moving image data
Welding machine for welding pre-weld flanges and slip-on flanges onto pipes
Circuit arrangement
Warning notification at cover open in printer
Two-roller machine and method for pressure treatment of granular material
Pneumatic tire with tread having circumferential grooves and arcuate grooves
Gas-mixing device for respirators
Belt tensioning device for band saws