1473777

Information

• Patent Grant
• 1473777

• References
• Source

• Patent Number

  1,473,777

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1923
  101 years ago

• CPC

  • B21K1/68 - from round or profiled bars

• US Classifications

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