3439152

Information

• Patent Grant
• 3439152

• References
• Source

• Patent Number

  3,439,152

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1969
  55 years ago

• CPC

  • H05B3/688 - Fabrication of the plates
  • H05B3/70 - Plates of cast metal

• US Classifications

  • 219 - Electric heating
  • 392 - Electric resistance heating devices