3506222

Information

• Patent Grant
• 3506222

• References
• Source

• Patent Number

  3,506,222

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  55 years ago

• CPC

  • B64C25/56 - inflatable
  • B64C25/52 - Skis or runners
  • B64C35/00 - Flying-boats Seaplanes
  • B64C2025/325 - specially adapted for helicopters
  • B64F2700/6265 - inflatable or deformable

• US Classifications

  • 244 - Aeronautics and astronautics