2638171

Information

• Patent Grant
• 2638171

• References
• Source

• Patent Number

  2,638,171

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1953
  71 years ago

• CPC

  • B63H3/12 - the pitch being adjustable only when propeller is stationary

• US Classifications

  • 416 - Fluid reaction surfaces