2890054

Information

• Patent Grant
• 2890054

• References
• Source

• Patent Number

  2,890,054

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1959
  65 years ago

• CPC

  • B23B31/4013 - Details of the jaws
  • B23B31/025 - for gears
  • B23B2260/12 - Stops
  • Y10T82/268 - Expansible
  • Y10T279/30 - Torsion mandrel

• US Classifications

  • 279 - Chucks or sockets
  • 082 - Turning