3725559

Information

• Patent Grant
• 3725559

• References
• Source

• Patent Number

  3,725,559

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  51 years ago

• CPC

  • H05H1/34 - Details
  • H05B7/109 - Feeding arrangements

• US Classifications

  • 373 - Industrial electric heating furnaces