1517987

Information

• Patent Grant
• 1517987

• References
• Source

• Patent Number

  1,517,987

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1924
  100 years ago

• CPC

  • B27C3/08 - Operator-supported drilling machines or devices
  • Y10T408/5665 - Work-engaging surface parallel to tool-axis

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool