3800660

Information

• Patent Grant
• 3800660

• References
• Source

• Patent Number

  3,800,660

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1974
  50 years ago

• CPC

  • B23C1/16 - specially designed for control by copying devices
  • B23C1/20 - Portable devices or machines Hand-driven devices or machines
  • B23C3/13 - Surface milling of plates, sheets or strips
  • B23C3/16 - Working surfaces curved in two directions
  • B23C3/20 - for shaping dies
  • B23Q1/52 - a single rotating pair
  • Y10T82/2511 - Vertical
  • Y10T409/30168 - with means for operation without manual intervention
  • Y10T409/303192 - including cutter and tracer fixed to move together

• US Classifications

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