2174709

Information

• Patent Grant
• 2174709

• References
• Source

• Patent Number

  2,174,709

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1939
  85 years ago

• CPC

  • B23B41/12 - for forming working surfaces of cylinders, of bearings
  • Y10S408/707 - Drilling opening for bearing in connecting rod or piston
  • Y10T408/5623 - with presser foot

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool