2889989

Information

• Patent Grant
• 2889989

• References
• Source

• Patent Number

  2,889,989

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1959
  65 years ago

• CPC

  • G06G7/22 - for evaluating trigonometric functions for conversion of co-ordinates for computations involving vector quantities
  • G06G3/06 - for evaluating functions by using cams and cam followers

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating
  • 324 - Electricity: measuring and testing