2604004

Information

• Patent Grant
• 2604004

• References
• Source

• Patent Number

  2,604,004

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1952
  73 years ago

• CPC

  • G01B9/02 - Interferometers for determining dimensional properties of, or relations between, measurement objects
  • Y10S33/03 - Photoelectric

• US Classifications

  • 356 - Optics: measuring and testing
  • 033 - Geometrical instruments
  • 091 - Motors: expansible chamber type
  • 250 - Radiant energy
  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems
  • 324 - Electricity: measuring and testing
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems