2709474

Information

• Patent Grant
• 2709474

• References
• Source

• Patent Number

  2,709,474

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1955
  69 years ago

• CPC

  • B21D41/023 - comprising rolling elements

• US Classifications

  • 072 - Metal deforming
  • 033 - Geometrical instruments