1348653

Information

• Patent Grant
• 1348653

• References
• Source

• Patent Number

  1,348,653

• Date Filed

  Not available

• Date Issued

  Tuesday, August 3, 1920
  106 years ago

• CPC

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

• US Classifications

  • 118 - Coating apparatus