2944349

Information

• Patent Grant
• 2944349

• References
• Source

• Patent Number

  2,944,349

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1960
  64 years ago

• CPC

  • B42F17/30 - modified for particular uses
  • G06K21/02 - in which coincidence of markings is sensed mechanically

• US Classifications

  • 434 - Education and demonstration
  • 084 - Music
  • D17 - Musical instruments
  • D19 - Office supplies