2437129

Information

• Patent Grant
• 2437129

• References
• Source

• Patent Number

  2,437,129

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1948
  76 years ago

• CPC

  • E21B19/008 - Winding units, specially adapted for drilling operations
  • E21B19/162 - cathead actuated

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 074 - Machine element or mechanism
  • 254 - Implements or apparatus for applying pushing or pulling force