1728621

Information

• Patent Grant
• 1728621

• References
• Source

• Patent Number

  1,728,621

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1929
  95 years ago

• CPC

  • B64C35/00 - Flying-boats Seaplanes
  • B64F2700/6269 - collapsible or retractable

• US Classifications

  • 244 - Aeronautics and astronautics