2506868

Information

• Patent Grant
• 2506868

• References
• Source

• Patent Number

  2,506,868

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1950
  74 years ago

• CPC

  • B23Q17/0938 - Cutting angles of drills
  • B23Q17/0923 - Tool length

• US Classifications

  • 033 - Geometrical instruments