3039391

Information

• Patent Grant
• 3039391

• References
• Source

• Patent Number

  3,039,391

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1962
  62 years ago

• CPC

  • F42B22/20 - using magnetic or acoustic depth-control means

• US Classifications

  • 102 - Ammunition and explosives
  • 033 - Geometrical instruments
  • 166 - Wells
  • 254 - Implements or apparatus for applying pushing or pulling force
  • 324 - Electricity: measuring and testing