3888605

Information

• Patent Grant
• 3888605

• References
• Source

• Patent Number

  3,888,605

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1975
  50 years ago

• CPC

  • E02D19/10 - by lowering level of ground water
  • F04B53/1037 - Flap valves

• US Classifications

  • 417 - Pumps