1749507

Information

• Patent Grant
• 1749507

• References
• Source

• Patent Number

  1,749,507

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1930
  94 years ago

• CPC

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

• US Classifications

  • 244 - Aeronautics and astronautics