3517684

Information

• Patent Grant
• 3517684

• References
• Source

• Patent Number

  3,517,684

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  54 years ago

• CPC

  • A01G25/167 - Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
  • Y10T137/1866 - For controlling soil irrigation
  • Y10T137/7355 - In gravitating tank
  • Y10T137/86413 - Self-cycling

• US Classifications

  • 137 - Fluid handling
  • 222 - Dispensing
  • 251 - Valves and valve actuation