2290697

Information

• Patent Grant
• 2290697

• References
• Source

• Patent Number

  2,290,697

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1942
  82 years ago

• CPC

  • B63H1/30 - of non-rotary type
  • B63B2754/00 - Propulsive flaps

• US Classifications

  • 440 - Marine propulsion