3881149

Information

• Patent Grant
• 3881149

• References
• Source

• Patent Number

  3,881,149

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  49 years ago

• CPC

  • H01F27/42 - Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
  • H01F19/02 - Audio-frequency transformers or mutual inductances

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 324 - Electricity: measuring and testing
  • 333 - Wave transmission lines and networks