2491714

Information

• Patent Grant
• 2491714

• References
• Source

• Patent Number

  2,491,714

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1949
  75 years ago

• CPC

  • F26B13/006 - with movement in a spiral path

• US Classifications

  • 034 - Drying and gas or vapor contact with solids