3624653

Information

• Patent Grant
• 3624653

• References
• Source

• Patent Number

  3,624,653

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  53 years ago

• CPC

  • H01Q1/082 - Balloon antennas
  • G01S13/75 - using transponders powered from received waves

• US Classifications

  • 342 - Communications: directive radio wave systems and devices