2688196

Information

• Patent Grant
• 2688196

• References
• Source

• Patent Number

  2,688,196

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1954
  70 years ago

• CPC

  • F26B17/34 - the movement being in a vertical or steeply inclined plane
  • F26B11/185 - the drum provided with internal subdivisions or multiple walls

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 414 - Material or article handling
  • 432 - Heating