3847459

Information

• Patent Grant
• 3847459

• References
• Source

• Patent Number

  3,847,459

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • G06K21/04 - in which coincidence of markings is sensed optically

• US Classifications

  • 312 - Supports: cabinet structure
  • 209 - Classifying, separating, and assorting solids