3909960

Information

• Patent Grant
• 3909960

• References
• Source

• Patent Number

  3,909,960

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1975
  49 years ago

• CPC

  • E02F3/907 - Measuring or control devices
  • E02F3/90 - Component parts
  • E02F3/905 - Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
  • E02F3/9206 - Digging devices using blowing effect only, like jets or propellers
  • E02F3/9275 - with axis of rotation parallel to longitudinal axis of the suction pipe

• US Classifications

  • 037 - Excavating
  • 241 - Solid material comminution or disintegration