3687311

Information

• Patent Grant
• 3687311

• References
• Source

• Patent Number

  3,687,311

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • A01C3/02 - Storage places for manure
  • A01K1/0142 - by means of a moving piston
  • F04B15/023 - supply of fluid to the pump by gravity through a hopper
  • F04B53/124 - Oscillating valves

• US Classifications

  • 414 - Material or article handling
  • 198 - Conveyors: power-driven
  • 417 - Pumps