1212970

Information

• Patent Grant
• 1212970

• References
• Source

• Patent Number

  1,212,970

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1917
  107 years ago

• CPC

  • B23D77/042 - by means of oblique planes
  • Y10T408/85837 - with spring retainer
  • Y10T408/85893 - Screw with axis radially spaced from tool-axis
  • Y10T408/85894 - Annular wedge-collar

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool