3893474

Information

• Patent Grant
• 3893474

• References
• Source

• Patent Number

  3,893,474

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • B65G53/30 - Conveying materials in bulk through pipes or tubes by liquid pressure
  • E21C35/20 - General features of equipment for removal of chippings
  • Y10T137/6903 - Guided by means of track or guideway
  • Y10T137/6918 - With hose storage or retrieval means

• US Classifications

  • 406 - Conveyors: fluid current
  • 137 - Fluid handling