2224078

Information

• Patent Grant
• 2224078

• References
• Source

• Patent Number

  2,224,078

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1940
  84 years ago

• CPC

  • H04L13/10 - Distributors
  • H04L25/205 - using tuning forks or vibrating reeds
  • H04L25/42 - using mechanical distributors

• US Classifications

  • 178 - Telegraphy
  • 370 - Multiplex communications