3509800

Information

• Patent Grant
• 3509800

• References
• Source

• Patent Number

  3,509,800

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1970
  54 years ago

• CPC

  • E01C9/008 - Paving take-off areas for vertically starting aircraft

• US Classifications

  • 404 - Road structure, process, or apparatus