1399793

Information

• Patent Grant
• 1399793

• References
• Source

• Patent Number

  1,399,793

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1921
  103 years ago

• CPC

  • B21K1/708 - wing nuts

• US Classifications

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