1539649

Information

• Patent Grant
• 1539649

• References
• Source

• Patent Number

  1,539,649

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1925
  99 years ago

• CPC

  • F26B11/0409 - the subdivision consisting of a plurality of substantially radially oriented internal walls
  • F26B11/045 - using heated internal elements

• US Classifications

  • 034 - Drying and gas or vapor contact with solids