1392794

Information

• Patent Grant
• 1392794

• References
• Source

• Patent Number

  1,392,794

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1921
  103 years ago

• CPC

  • F26B17/28 - with movement performed by rollers or discs with material passing over or between them
  • F26B17/002 - with floors which may rotate and turn over as a whole or in part

• US Classifications

  • 034 - Drying and gas or vapor contact with solids