3572129

Information

• Patent Grant
• 3572129

• References
• Source

• Patent Number

  3,572,129

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1971
  53 years ago

• CPC

  • E21C50/00 - Obtaining minerals from underwater, not otherwise provided for
  • E21B49/025 - of underwater soil

• US Classifications

  • 073 - Measuring and testing
  • 037 - Excavating