1957952

Information

• Patent Grant
• 1957952

• References
• Source

• Patent Number

  1,957,952

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1934
  90 years ago

• CPC

  • B21K1/66 - form strip bars

• US Classifications

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