3704640

Information

• Patent Grant
• 3704640

• References
• Source

• Patent Number

  3,704,640

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1972
  52 years ago

• CPC

  • B23B31/16266 - using mechanical transmission through the spindle
  • B23B2260/022 - Balls
  • Y10T82/268 - Expansible

• US Classifications

  • 082 - Turning