3831575

Information

• Patent Grant
• 3831575

• References
• Source

• Patent Number

  3,831,575

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • B44B1/02 - wherein three-dimensional copies are made
  • B23Q35/18 - involving fluid means
  • B23Q2735/085 - in a milling machine
  • Y10T409/30336 - including cutter and tracer fixed to move together

• US Classifications

  • 125 - Stone working
  • 033 - Geometrical instruments
  • 409 - Gear cutting, milling, or planing