1905345

Information

• Patent Grant
• 1905345

• References
• Source

• Patent Number

  1,905,345

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1933
  91 years ago

• CPC

  • B63H1/38 - characterised solely by flotation properties
  • B63B1/047 - with spherical hull or hull in the shape of a vertical ring

• US Classifications

  • 440 - Marine propulsion
  • 180 - Motor vehicles
  • 244 - Aeronautics and astronautics