1294992

Information

• Patent Grant
• 1294992

• References
• Source

• Patent Number

  1,294,992

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1919
  106 years ago

• CPC

  • B21K1/50 - Trimming or shearing formed heads
  • Y10T29/47 - Burnishing

• US Classifications

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