3474238

Information

• Patent Grant
• 3474238

• References
• Source

• Patent Number

  3,474,238

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1969
  55 years ago

• CPC

  • G06F7/4985 - by successive additions or subtractions
  • G06F15/02 - manually operated with input through keyboard and computation using a built-in programme

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating