2104570

Information

• Patent Grant
• 2104570

• References
• Source

• Patent Number

  2,104,570

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1938
  87 years ago

• CPC

  • H04L25/42 - using mechanical distributors
  • H04L7/0095 - with mechanical means
  • Y10T307/793 - Speed, centrifugal or kinetic force

• US Classifications

  • 178 - Telegraphy
  • 200 - Electricity: circuit makers and breakers
  • 307 - Electrical transmission or interconnection systems
  • 370 - Multiplex communications
  • 400 - Typewriting machines