2684857

Information

• Patent Grant
• 2684857

• References
• Source

• Patent Number

  2,684,857

• Date Filed

  Not available

• Date Issued

  Tuesday, July 27, 1954
  70 years ago

• CPC

  • E21B3/04 - Rotary tables
  • B23B31/16158 - Jaws movement actuated by coaxial conical surfaces
  • B23B31/16162 - Details of the jaws
  • Y10T279/1973 - Wedge actuated

• US Classifications

  • 279 - Chucks or sockets