3593533

Information

• Patent Grant
• 3593533

• References
• Source

• Patent Number

  3,593,533

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1971
  53 years ago

• CPC

  • B63B22/24 - container type
  • E02F7/005 - conveying material from the underwater bottom
  • B63B2025/085 - comprising separation membranes
  • B63B2207/02 - Variable ballast or buoyancy
  • B63B2207/04 - Pressure equalising or adjusting
  • B63B2211/02 - Oceanography

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 037 - Excavating
  • 073 - Measuring and testing
  • 222 - Dispensing