2577228

Information

• Patent Grant
• 2577228

• References
• Source

• Patent Number

  2,577,228

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1951
  73 years ago

• CPC

  • B23Q17/0938 - Cutting angles of drills

• US Classifications

  • 033 - Geometrical instruments