378468

Information

• Patent Grant
• 378468

• References
• Source

• Patent Number

  378,468

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1888
  136 years ago

• CPC

  • B27C3/02 - Stationary drilling machines with a single working spindle
  • B23B5/16 - for bevelling, chamfering, or deburring the ends of bars or tubes
  • Y10S29/071 - Complete immersion of cutter
  • Y10T408/47 - with work-infeed means

• US Classifications

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