1852646

Information

• Patent Grant
• 1852646

• References
• Source

• Patent Number

  1,852,646

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1932
  93 years ago

• CPC

  • F26B17/001 - the material moving down superimposed floors

• US Classifications

  • 432 - Heating
  • 034 - Drying and gas or vapor contact with solids