1321838

Information

• Patent Grant
• 1321838

• References
• Source

• Patent Number

  1,321,838

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1919
  105 years ago

• CPC

  • B23D77/042 - by means of oblique planes
  • Y10T408/85888 - Having axially spaced shoulders
  • Y10T408/858946 - with travelling wedge

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 451 - Abrading