3606257

Information

• Patent Grant
• 3606257

• References
• Source

• Patent Number

  3,606,257

• Date Filed

  Not available

• Date Issued

  Monday, September 20, 1971
  53 years ago

• CPC

  • E21B19/09 - specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
  • Y10S254/902 - Either drum, pulley wheel element, or cable constructed from specific material

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 242 - Winding, tensioning, or guiding