1942140

Information

• Patent Grant
• 1942140

• References
• Source

• Patent Number

  1,942,140

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1934
  91 years ago

• CPC

  • F27B7/162 - the projections consisting of separate lifting elements
  • F27B7/161 - the means comprising projections jutting out from the wall
  • F27B7/166 - the means comprising chains

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 202 - Distillation: apparatus
  • 432 - Heating