2209079

Information

• Patent Grant
• 2209079

• References
• Source

• Patent Number

  2,209,079

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1940
  84 years ago

• CPC

  • E21B17/04 - between rod or the like and bit or between rod and rod or the like
  • Y10T279/17941 - Nut lock

• US Classifications

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