3853224

Information

• Patent Grant
• 3853224

• References
• Source

• Patent Number

  3,853,224

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  49 years ago

• CPC

  • G06K21/002 - Selecting of marginally notched cards

• US Classifications

  • 209 - Classifying, separating, and assorting solids