2817384

Information

• Patent Grant
• 2817384

• References
• Source

• Patent Number

  2,817,384

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1957
  67 years ago

• CPC

  • B21D7/066 - combined with oscillating members
  • B21C37/283 - Making U-pieces

• US Classifications

  • 072 - Metal deforming