1339877

Information

• Patent Grant
• 1339877

• References
• Source

• Patent Number

  1,339,877

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1920
  105 years ago

• CPC

  • B23B31/408 - Work or tool supported by two conical surfaces
  • Y10T82/268 - Expansible

• US Classifications

  • 082 - Turning