2156584

Information

• Patent Grant
• 2156584

• References
• Source

• Patent Number

  2,156,584

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1939
  85 years ago

• CPC

  • B21B31/28 - by toggle-lever mechanisms
  • B21H7/007 - Taper rolling

• US Classifications

  • 072 - Metal deforming