3693272

Information

• Patent Grant
• 3693272

• References
• Source

• Patent Number

  3,693,272

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  52 years ago

• CPC

  • E02F3/8875 - pulled or pushed
  • E02F3/9243 - Passive suction heads with no mechanical cutting means
  • E02F7/04 - Loading devices mounted on a dredger or an excavator hopper dredgers, also equipment for unloading the hopper

• US Classifications

  • 037 - Excavating
  • 417 - Pumps