1781484

Information

• Patent Grant
• 1781484

• References
• Source

• Patent Number

  1,781,484

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1930
  94 years ago

• CPC

  • F26B25/002 - for bulk goods
  • F26B17/16 - the materials passing down a heated surface
  • F26B2200/14 - Sand

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 034 - Drying and gas or vapor contact with solids