1448832

Information

• Patent Grant
• 1448832

• References
• Source

• Patent Number

  1,448,832

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1923
  102 years ago

• CPC

  • B23G9/003 - Deburring screws
  • B23G9/001 - Working screws
  • Y10T29/513 - Stationary work

• US Classifications

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