3396953

Information

• Patent Grant
• 3396953

• References
• Source

• Patent Number

  3,396,953

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1968
  56 years ago

• CPC

  • F27B7/3205 - Charging
  • F27B2007/045 - the charge going in one direction in one chamber, then after a turn coming back in the other direction in the other chamber
  • F27B2007/165 - forming a helical lifting projection
  • F27B2007/3252 - with lifting scoops attached to the drum

• US Classifications

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