3831749

Information

• Patent Grant
• 3831749

• References
• Source

• Patent Number

  3,831,749

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • G06K21/005 - the selected cards being displaced laterally relative to the remaining stationary card-file
  • G06K17/0006 - with random access selection of a record carrier from the card-file
  • G06K21/02 - in which coincidence of markings is sensed mechanically

• US Classifications

  • 209 - Classifying, separating, and assorting solids