3439956

Information

• Patent Grant
• 3439956

• References
• Source

• Patent Number

  3,439,956

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • B61D5/004 - with loading and unloading means using fluids or vacuum
  • B65G53/46 - Gates or sluices

• US Classifications

  • 406 - Conveyors: fluid current