3390460

Information

• Patent Grant
• 3390460

• References
• Source

• Patent Number

  3,390,460

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1968
  56 years ago

• CPC

  • B43K8/22 - with electrically or magnetically activated writing-points
  • B44B3/00 - Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled substantially two- dimensionally for carving, engraving, or guilloching shallow ornamenting or markings
  • B44B2700/026 - for guilloching

• US Classifications

  • 033 - Geometrical instruments
  • 401 - Coating implements with material supply