2820640

Information

• Patent Grant
• 2820640

• References
• Source

• Patent Number

  2,820,640

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  67 years ago

• CPC

  • B23B31/207 - using mechanical transmission through the spindle
  • Y10T279/17358 - with jaw pads or insert
  • Y10T279/3468 - Machinable jaw

• US Classifications

  • 279 - Chucks or sockets