3739376

Information

• Patent Grant
• 3739376

• References
• Source

• Patent Number

  3,739,376

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1973
  51 years ago

• CPC

  • G08C19/12 - in which the signal transmitted is frequency or phase of ac
  • B64C27/007 - adapted for detection of blade cracks
  • G08B25/00 - Alarm systems in which the location of the alarm condition is signalled to a central station

• US Classifications

  • 340 - Communications: electrical
  • 244 - Aeronautics and astronautics
  • 416 - Fluid reaction surfaces