3031138

Information

• Patent Grant
• 3031138

• References
• Source

• Patent Number

  3,031,138

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1962
  62 years ago

• CPC

  • H03K23/74 - using relays
  • G06F7/461 - Adding; subtracting

• US Classifications

  • 235 - Registers
  • 708 - Electrical computers: arithmetic processing and calculating