2548590

Information

• Patent Grant
• 2548590

• References
• Source

• Patent Number

  2,548,590

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1951
  74 years ago

• CPC

  • G01B11/046 - for measuring width
  • Y10S33/03 - Photoelectric

• US Classifications

  • 356 - Optics: measuring and testing
  • 033 - Geometrical instruments
  • 226 - Advancing material of indeterminate length
  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems
  • 318 - Electricity: motive power systems
  • 340 - Communications: electrical