2144988

Information

• Patent Grant
• 2144988

• References
• Source

• Patent Number

  2,144,988

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1939
  86 years ago

• CPC

  • F26B11/045 - using heated internal elements
  • F26B11/0436 - comprising multiple stages
  • F26B17/30 - with movement performed by rotary or oscillating containers with movement performed by rotary floors

• US Classifications

  • 034 - Drying and gas or vapor contact with solids