2214622

Information

• Patent Grant
• 2214622

• References
• Source

• Patent Number

  2,214,622

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1940
  84 years ago

• CPC

  • B64C11/065 - variable only when stationary
  • Y10T29/49332 - Propeller making

• US Classifications

  • 416 - Fluid reaction surfaces
  • 029 - Metal working
  • 033 - Geometrical instruments
  • 446 - Amusement devices: toys