2847617

Information

• Patent Grant
• 2847617

• References
• Source

• Patent Number

  2,847,617

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1958
  66 years ago

• CPC

  • B64C11/50 - Phase synchronisation between multiple propellers
  • H02P5/485 - using differential movement of the two motors

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 060 - Power plants
  • 073 - Measuring and testing
  • 416 - Fluid reaction surfaces