2669781

Information

• Patent Grant
• 2669781

• References
• Source

• Patent Number

  2,669,781

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1954
  71 years ago

• CPC

  • B44B3/002 - using a pantograph
  • Y10T409/302688 - with provision for circumferential relative movement of cutter and work

• US Classifications

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