2784649

Information

• Patent Grant
• 2784649

• References
• Source

• Patent Number

  2,784,649

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1957
  67 years ago

• CPC

  • B24B17/025 - for grinding rotating workpieces (three dimensional)
  • B23C3/18 - for shaping screw-propellers, turbine blades, or impellers
  • Y10T82/135 - Cam-controlled cutter
  • Y10T409/302744 - and means for operation without manual intervention
  • Y10T409/30308 - to make a double curvature foil

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 082 - Turning
  • 451 - Abrading