2342828

Information

• Patent Grant
• 2342828

• References
• Source

• Patent Number

  2,342,828

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1944
  81 years ago

• CPC

  • B23Q17/24 - using optics or electromagnetic waves
  • Y10T29/49778 - with aligning, guiding, or instruction
  • Y10T408/03 - Processes
  • Y10T408/21 - with signal, indicator, illuminator or optical means
  • Y10T408/3796 - with interconnected means to simultaneously feed tools

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 029 - Metal working
  • 033 - Geometrical instruments
  • 356 - Optics: measuring and testing
  • 451 - Abrading