3140720

Information

• Patent Grant
• 3140720

• References
• Source

• Patent Number

  3,140,720

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1964
  60 years ago

• CPC

  • A01G25/162 - Sequential operation
  • G04C23/34 - with provision for automatic modification of the programme
  • Y10T137/1189 - Freeze condition responsive safety systems
  • Y10T137/1866 - For controlling soil irrigation
  • Y10T137/86397 - With independent valve controller
  • Y10T137/86429 - Attachable and removable element

• US Classifications

  • 137 - Fluid handling
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 968 - Horology