2471252

Information

• Patent Grant
• 2471252

• References
• Source

• Patent Number

  2,471,252

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1949
  75 years ago

• CPC

  • H03F3/40 - with tubes only
  • H03F3/48 - with tubes only

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 174 - Electricity: conductors and insulators
  • 307 - Electrical transmission or interconnection systems
  • 324 - Electricity: measuring and testing
  • 330 - Amplifiers
  • 333 - Wave transmission lines and networks