3855455

Information

• Patent Grant
• 3855455

• References
• Source

• Patent Number

  3,855,455

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1974
  50 years ago

• CPC

  • G01N15/12 - Coulter-counters
  • G06M11/04 - with provision for distinguishing between different sizes of objects
  • G01N2015/0057 - of filaments in liquids

• US Classifications

  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 356 - Optics: measuring and testing