1468947

Information

• Patent Grant
• 1468947

• References
• Source

• Patent Number

  1,468,947

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1923
  101 years ago

• CPC

  • F27B9/063 - Resistor heating
  • F27B9/084 - the muffle being fixed and in a single piece

• US Classifications

  • 432 - Heating