3781887

Information

• Patent Grant
• 3781887

• References
• Source

• Patent Number

  3,781,887

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • G01S13/87 - Combinations of radar systems
  • G01S13/16 - using counters
  • G01S13/58 - Velocity or trajectory determination systems Sense-of-movement determination systems

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 244 - Aeronautics and astronautics