3752957

Information

• Patent Grant
• 3752957

• References
• Source

• Patent Number

  3,752,957

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1973
  51 years ago

• CPC

  • G06C7/06 - with one set of keys for each denomination
  • G06C7/00 - Input mechanisms
  • G06C7/02 - Keyboards

• US Classifications

  • 235 - Registers