804142

Information

• Patent Grant
• 804142

• References
• Source

• Patent Number

  804,142

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1905
  119 years ago

• CPC

  • B23G9/004 - Finishing screws
  • Y10T82/2527 - having hollow cutter head

• US Classifications

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