3677218

Information

• Patent Grant
• 3677218

• References
• Source

• Patent Number

  3,677,218

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  53 years ago

• CPC

  • B64C27/007 - adapted for detection of blade cracks
  • G01L7/06 - of the bellows type
  • G01L9/0033 - Transmitting or indicating the displacement of bellows by electric, electro-mechanical, magnetic, or electro-magnetic means

• US Classifications

  • 116 - Signals and indicators
  • 073 - Measuring and testing
  • 200 - Electricity: circuit makers and breakers
  • 244 - Aeronautics and astronautics