2051525

Information

• Patent Grant
• 2051525

• References
• Source

• Patent Number

  2,051,525

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1936
  89 years ago

• CPC

  • E21B17/04 - between rod or the like and bit or between rod and rod or the like
  • B28D1/146 - Tools therefor
  • Y10S411/948 - Longitudinal key
  • Y10T279/17941 - Nut lock
  • Y10T403/68 - Screw or cam

• US Classifications

  • 403 - Joints and connections
  • 076 - Metal tools and implements, making
  • 279 - Chucks or sockets
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener