3693015

Information

• Patent Grant
• 3693015

• References
• Source

• Patent Number

  3,693,015

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • B64F1/00 - Ground or aircraft-carrier-deck-installations
  • G01N21/455 - Schlieren methods
  • G02B27/54 - Schlieren-optical systems

• US Classifications

  • 250 - Radiant energy
  • 340 - Communications: electrical
  • 356 - Optics: measuring and testing