3551656

Information

• Patent Grant
• 3551656

• References
• Source

• Patent Number

  3,551,656

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  54 years ago

• CPC

  • G06F7/494 - Adding Subtracting
  • G05B19/39 - using a combination of the means covered by at least two of the preceding sub-groups G05B19/21, G05B19/27, and G05B19/33
  • G05B2219/41358 - Transmission, variable gear ratio
  • G06F2207/4921 - Single digit adding or subtracting
  • G06F2207/4924 - Digit-parallel adding or subtracting

• US Classifications

  • 318 - Electricity: motive power systems
  • 340 - Communications: electrical