3530952

Information

• Patent Grant
• 3530952

• References
• Source

• Patent Number

  3,530,952

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1970
  54 years ago

• CPC

  • B63B22/18 - having means to control attitude or position
  • G01S1/725 - Marker, boundary, call-sign or like beacons transmitting signals not carrying directional information
  • G10K11/006 - Transducer mounting in underwater equipment
  • H01H43/32 - with timing of actuation of contacts due to electrolytic processes with timing of actuation of contacts due to chemical processes
  • B63B2207/02 - Variable ballast or buoyancy
  • B63B2211/02 - Oceanography

• US Classifications

  • 181 - Acoustics
  • 116 - Signals and indicators
  • 367 - Communications, electrical: acoustic wave systems and devices