3697134

Information

• Patent Grant
• 3697134

• References
• Source

• Patent Number

  3,697,134

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1972
  52 years ago

• CPC

  • E02F3/8875 - pulled or pushed
  • E02F3/88 - with arrangements acting by a sucking or forcing effect
  • E02F3/9212 - Mechanical digging means, e.g. suction wheels
  • E21C50/00 - Obtaining minerals from underwater, not otherwise provided for

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 037 - Excavating