1972711

Information

• Patent Grant
• 1972711

• References
• Source

• Patent Number

  1,972,711

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1934
  90 years ago

• CPC

  • A47L15/243 - with conveyors of the rotary table type

• US Classifications

  • 134 - Cleaning and liquid contact with solids
  • 034 - Drying and gas or vapor contact with solids