2680393

Information

• Patent Grant
• 2680393

• References
• Source

• Patent Number

  2,680,393

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1954
  70 years ago

• CPC

  • B21G3/28 - by forging or pressing
  • B21G3/18 - by operations not restricted to one of the groups B21G3/12 - B21G3/16

• US Classifications

  • 072 - Metal deforming
  • 470 - Threaded, headed fastener, or washer making: process and apparatus