2371440

Information

• Patent Grant
• 2371440

• References
• Source

• Patent Number

  2,371,440

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1945
  79 years ago

• CPC

  • B21D53/24 - nuts or like thread-engaging members
  • B21K1/66 - form strip bars

• US Classifications

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