2901832

Information

• Patent Grant
• 2901832

• References
• Source

• Patent Number

  2,901,832

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1959
  65 years ago

• CPC

  • G03F1/90 - prepared by montage processes
  • B43L13/041 - with toothed racks

• US Classifications

  • 033 - Geometrical instruments
  • 108 - Horizontally supported planar surfaces