2218761

Information

• Patent Grant
• 2218761

• References
• Source

• Patent Number

  2,218,761

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1940
  84 years ago

• CPC

  • B63H1/08 - with cyclic adjustment
  • B64C11/006 - Paddle wheels

• US Classifications

  • 416 - Fluid reaction surfaces