1419588

Information

• Patent Grant
• 1419588

• References
• Source

• Patent Number

  1,419,588

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1922
  102 years ago

• CPC

  • B21K1/50 - Trimming or shearing formed heads

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 470 - Threaded, headed fastener, or washer making: process and apparatus