3625420

Information

• Patent Grant
• 3625420

• References
• Source

• Patent Number

  3,625,420

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1971
  53 years ago

• CPC

  • G06C7/00 - Input mechanisms
  • G06C7/06 - with one set of keys for each denomination
  • G06C11/02 - with visual indication
  • G06C15/04 - Adding or subtracting devices

• US Classifications

  • 235 - Registers