1339921

Information

• Patent Grant
• 1339921

• References
• Source

• Patent Number

  1,339,921

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1920
  104 years ago

• CPC

  • B23F5/20 - by milling
  • Y10T409/108904 - Cutting action intersecting work axis

• US Classifications

  • 409 - Gear cutting, milling, or planing