1889660

Information

• Patent Grant
• 1889660

• References
• Source

• Patent Number

  1,889,660

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1932
  92 years ago

• CPC

  • B44B3/002 - using a pantograph
  • Y10T409/301288 - and means to move work at work station
  • Y10T409/302688 - with provision for circumferential relative movement of cutter and work
  • Y10T409/30448 - with detachable or auxiliary cutter support to convert cutting action

• US Classifications

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