431139

Information

• Patent Grant
• 431139

• References
• Source

• Patent Number

  431,139

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1890
  134 years ago

• CPC

  • B23F23/12 - Other devices
  • Y10T82/2522 - Portable
  • Y10T409/108109 - End mill
  • Y10T409/108745 - Cutting action along work axis

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 082 - Turning
  • 451 - Abrading