1836067

Information

• Patent Grant
• 1836067

• References
• Source

• Patent Number

  1,836,067

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1931
  93 years ago

• CPC

  • E21B19/008 - Winding units, specially adapted for drilling operations
  • Y10S242/903 - Drum for a winch or hoist
  • Y10S254/14 - Rope attachment

• US Classifications

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