1861889

Information

• Patent Grant
• 1861889

• References
• Source

• Patent Number

  1,861,889

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1932
  93 years ago

• CPC

  • B23P19/082 - for placing washers on nuts
  • Y10T29/519 - Turret
  • Y10T29/5191 - Assembly
  • Y10T29/53391 - by elastic joining

• US Classifications

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