3333377

Information

• Patent Grant
• 3333377

• References
• Source

• Patent Number

  3,333,377

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1967
  57 years ago

• CPC

  • E21B15/00 - Derricks Masts; Other supports
  • E21B3/06 - Adaptation of rotary draw works to drive rotary tables
  • E21D15/00 - Props Chocks

• US Classifications

  • 052 - Static structures