2578222

Information

• Patent Grant
• 2578222

• References
• Source

• Patent Number

  2,578,222

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1951
  73 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
  • Y10T82/25 - Lathe
  • Y10T82/2564 - Tailstock
  • Y10T408/6793 - Screw coaxial with Tool

• US Classifications

  • 082 - Turning
  • 033 - Geometrical instruments
  • 408 - Cutting by use of rotating axially moving tool