1891469

Information

• Patent Grant
• 1891469

• References
• Source

• Patent Number

  1,891,469

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1932
  92 years ago

• CPC

  • F27B9/2407 - the conveyor being constituted by rollers (roller hearth furnace)
  • F27B2009/3088 - Drying arrangements
  • F27B2009/382 - Charging

• US Classifications

  • 432 - Heating