1776225

Information

• Patent Grant
• 1776225

• References
• Source

• Patent Number

  1,776,225

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1930
  94 years ago

• CPC

  • B07B4/08 - while the mixtures are supported by sieves, screens, or like mechanical elements
  • B07B7/10 - having air recirculating within the apparatus

• US Classifications

  • 055 - Gas separation
  • 209 - Classifying, separating, and assorting solids