1490180

Information

• Patent Grant
• 1490180

• References
• Source

• Patent Number

  1,490,180

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1924
  100 years ago

• CPC

  • E21B10/42 - Rotary drag type drill bits with teeth, blades or like cutting elements
  • Y10T279/17 - Socket type
  • Y10T279/17564 - Loose jaws
  • Y10T279/17846 - Single transverse bolt
  • Y10T279/17931 - Screw threaded

• US Classifications

  • 279 - Chucks or sockets
  • 175 - Boring or penetrating the earth