1797834

Information

• Patent Grant
• 1797834

• References
• Source

• Patent Number

  1,797,834

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1931
  93 years ago

• CPC

  • B23G9/002 - Slotting screw heads or shanks
  • B23G9/006 - Slotting nuts
  • Y10S29/077 - with separator or filter

• US Classifications

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