2348312

Information

• Patent Grant
• 2348312

• References
• Source

• Patent Number

  2,348,312

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1944
  80 years ago

• CPC

  • H04Q9/04 - Arrangements for synchronous operation
  • H04Q9/08 - Calling by using continuous ac

• US Classifications

  • 341 - Coded data generation or conversion
  • 340 - Communications: electrical