2660931

Information

• Patent Grant
• 2660931

• References
• Source

• Patent Number

  2,660,931

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1953
  71 years ago

• CPC

  • B23C3/18 - for shaping screw-propellers, turbine blades, or impellers
  • Y10T409/30028 - to regulate cutting depth [e.g., relief, taper, etc.]
  • Y10T409/30308 - to make a double curvature foil

• US Classifications

  • 409 - Gear cutting, milling, or planing