2226399

Information

• Patent Grant
• 2226399

• References
• Source

• Patent Number

  2,226,399

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1940
  84 years ago

• CPC

  • B21K1/705 - Castellated nuts

• US Classifications

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