3108379

Information

• Patent Grant
• 3108379

• References
• Source

• Patent Number

  3,108,379

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1963
  62 years ago

• CPC

  • B44B3/02 - wherein plane surfaces are worked
  • B44B2700/023 - for engraving parallel lines of flat surfaces

• US Classifications

  • 033 - Geometrical instruments