3754247

Information

• Patent Grant
• 3754247

• References
• Source

• Patent Number

  3,754,247

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1973
  51 years ago

• CPC

  • G01S13/874 - Combination of several systems for attitude determination
  • B63B49/00 - Arrangements of nautical instruments or navigational aids
  • G01S1/02 - using radio waves
  • G01S7/04 - Display arrangements
  • G01S7/22 - Producing cursor lines and indicia by electronic means
  • B63B2726/00 - Miscellaneous signalling devices and draft indicators

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 073 - Measuring and testing
  • 340 - Communications: electrical
  • 367 - Communications, electrical: acoustic wave systems and devices