1380093

Information

• Patent Grant
• 1380093

• References
• Source

• Patent Number

  1,380,093

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1921
  104 years ago

• CPC

  • B63H3/12 - the pitch being adjustable only when propeller is stationary
  • B63H1/12 - with rotation axis substantially in propulsive direction

• US Classifications

  • 416 - Fluid reaction surfaces