2475307

Information

• Patent Grant
• 2475307

• References
• Source

• Patent Number

  2,475,307

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1949
  75 years ago

• CPC

  • G06K7/047 - whereby the data field of the record carriers is sensed successively column after column

• US Classifications

  • 235 - Registers