2495643

Information

• Patent Grant
• 2495643

• References
• Source

• Patent Number

  2,495,643

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1950
  75 years ago

• CPC

  • B64C35/005 - with propellers, rudders or brakes acting in the water

• US Classifications

  • 244 - Aeronautics and astronautics
  • 440 - Marine propulsion