2171952

Information

• Patent Grant
• 2171952

• References
• Source

• Patent Number

  2,171,952

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1939
  85 years ago

• CPC

  • A01F17/04 - Pneumatic conveyors

• US Classifications

  • 406 - Conveyors: fluid current