1520174

Information

• Patent Grant
• 1520174

• References
• Source

• Patent Number

  1,520,174

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1924
  100 years ago

• CPC

  • H05B6/105 - using a susceptor
  • D06F75/243 - using other than ohmic-resistance heating means

• US Classifications

  • 219 - Electric heating