3893836

Information

• Patent Grant
• 3893836

• References
• Source

• Patent Number

  3,893,836

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • G01B7/13 - Internal diameters
  • C03B5/2255 - by centrifuging

• US Classifications

  • 065 - Glass manufacturing
  • 073 - Measuring and testing