2690890

Information

• Patent Grant
• 2690890

• References
• Source

• Patent Number

  2,690,890

• Date Filed

  Not available

• Date Issued

  Tuesday, October 5, 1954
  70 years ago

• CPC

  • B64D15/14 - controlled cyclically along length of surface
  • B64D2700/62114 - by electric heating

• US Classifications

  • 244 - Aeronautics and astronautics
  • 219 - Electric heating
  • 415 - Rotary kinetic fluid motors or pumps
  • 416 - Fluid reaction surfaces