2090834

Information

• Patent Grant
• 2090834

• References
• Source

• Patent Number

  2,090,834

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1937
  87 years ago

• CPC

  • E21B31/18 - gripping externally
  • Y10T279/17102 - Sleeve in socket
  • Y10T279/17179 - Wedge

• US Classifications

  • 294 - Handling: hand and hoist-line implements
  • 279 - Chucks or sockets