1769491

Information

• Patent Grant
• 1769491

• References
• Source

• Patent Number

  1,769,491

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1930
  94 years ago

• CPC

  • 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