2729892

Information

• Patent Grant
• 2729892

• References
• Source

• Patent Number

  2,729,892

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1956
  69 years ago

• CPC

  • B44B3/04 - wherein non-plane surfaces are worked
  • B23Q35/20 - with special means for varying the ratio of reproduction
  • B44B3/002 - using a pantograph
  • B44B3/065 - Work holders
  • B44B3/066 - Master copy holders
  • Y10T409/301232 - including pantograph cutter-carrier
  • Y10T409/301568 - by use of pivotally supported tracer
  • Y10T409/306216 - Randomly manipulated, work supported, or work following device

• US Classifications

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