2484573

Information

• Patent Grant
• 2484573

• References
• Source

• Patent Number

  2,484,573

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1949
  74 years ago

• CPC

  • H04Q9/08 - Calling by using continuous ac

• US Classifications

  • 318 - Electricity: motive power systems