3603439

Information

• Patent Grant
• 3603439

• References
• Source

• Patent Number

  3,603,439

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1971
  53 years ago

• CPC

  • B65G11/066 - for bulk
  • B61D27/0027 - for freight cars; Isothermic wagons
  • B65G2812/088 - characterised by the material

• US Classifications

  • 193 - Conveyors, chutes, skids, guides, and ways
  • 414 - Material or article handling