3040620

Information

• Patent Grant
• 3040620

• References
• Source

• Patent Number

  3,040,620

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1962
  62 years ago

• CPC

  • 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
  • B44B2700/028 - Electrical engraving machines

• US Classifications

  • 396 - Photography
  • 033 - Geometrical instruments
  • 355 - Photocopying