2184741

Information

• Patent Grant
• 2184741

• References
• Source

• Patent Number

  2,184,741

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1939
  85 years ago

• CPC

  • H05B6/28 - Protective systems

• US Classifications

  • 373 - Industrial electric heating furnaces
  • 219 - Electric heating
  • 361 - Electricity: electrical systems and devices