1990188

Information

• Patent Grant
• 1990188

• References
• Source

• Patent Number

  1,990,188

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1935
  89 years ago

• CPC

  • B23G1/205 - specially adapted for making nuts
  • Y10T408/368 - Plural work stations
  • Y10T408/50 - with product handling or receiving means
  • Y10T408/54 - Means to intermittently advance work

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 470 - Threaded, headed fastener, or washer making: process and apparatus