3811567

Information

• Patent Grant
• 3811567

• References
• Source

• Patent Number

  3,811,567

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • G01N21/9027 - in containers after filling
  • B07C5/3422 - using video scanning devices
  • B07C5/365 - using a single separation means
  • G01N21/9018 - Dirt detection in containers
  • Y10S209/914 - Diverse sequential feeding steps
  • Y10S209/939 - Video scanning

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 348 - Television
  • 356 - Optics: measuring and testing