1879061

Information

• Patent Grant
• 1879061

• References
• Source

• Patent Number

  1,879,061

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1932
  92 years ago

• CPC

  • B44B3/04 - wherein non-plane surfaces are worked
  • B44B2700/025 - for engraving a surface of revolution
  • Y10T82/20 - Lathe for screw cutting
  • Y10T408/558 - Opening coaxial with Tool
  • Y10T408/5622 - Plural, coaxially opposing, work-engaging means

• US Classifications

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