2800997

Information

• Patent Grant
• 2800997

• References
• Source

• Patent Number

  2,800,997

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1957
  67 years ago

• CPC

  • B21G3/32 - Feeding material to be worked to nail or pin making machines
  • B21G3/18 - by operations not restricted to one of the groups B21G3/12 - B21G3/16
  • B21G3/20 - from wire of indefinite length

• US Classifications

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