709966

Information

• Patent Grant
• 709966

• References
• Source

• Patent Number

  709,966

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1902
  122 years ago

• CPC

  • F27B9/084 - the muffle being fixed and in a single piece
  • C21D9/0037 - Rotary furnaces with vertical axis; Furnaces with rotating floor

• US Classifications

  • 432 - Heating
  • 034 - Drying and gas or vapor contact with solids
  • 219 - Electric heating