3791628

Information

• Patent Grant
• 3791628

• References
• Source

• Patent Number

  3,791,628

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1974
  50 years ago

• CPC

  • C08F214/06 - Vinyl chloride
  • B66D1/48 - automatic
  • C09D127/06 - Homopolymers or copolymers of vinyl chloride
  • E21B19/09 - specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
  • B66D2700/0108 - with devices for paying out or automatically tightening the cable
  • Y10S254/90 - Cable pulling drum having wave motion responsive actuator for operating drive or rotation retarding means

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 091 - Motors: expansible chamber type