2137484

Information

• Patent Grant
• 2137484

• References
• Source

• Patent Number

  2,137,484

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1938
  86 years ago

• CPC

  • B23B47/28 - Drill jigs for workpieces
  • Y10S408/707 - Drilling opening for bearing in connecting rod or piston
  • Y10T408/557 - Frictionally engaging sides of opening in work

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 033 - Geometrical instruments