3854296

Information

• Patent Grant
• 3854296

• References
• Source

• Patent Number

  3,854,296

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1974
  50 years ago

• CPC

  • B63C11/36 - of closed type
  • E21B41/04 - Manipulators for underwater operations
  • E21B41/06 - Work chambers for underwater operations

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 166 - Wells