2303299

Information

• Patent Grant
• 2303299

• References
• Source

• Patent Number

  2,303,299

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1942
  82 years ago

• CPC

  • B44B3/02 - wherein plane surfaces are worked
  • B44B2700/023 - for engraving parallel lines of flat surfaces
  • Y10T74/18992 - Reciprocating to reciprocating

• US Classifications

  • 033 - Geometrical instruments
  • 074 - Machine element or mechanism