3922094

Information

• Patent Grant
• 3922094

• References
• Source

• Patent Number

  3,922,094

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • G01B11/2408 - for measuring roundness
  • G01B11/08 - for measuring diameters
  • G01D5/341 - controlling the movement of a following part

• US Classifications

  • 356 - Optics: measuring and testing
  • 250 - Radiant energy