3519886

Information

• Patent Grant
• 3519886

• References
• Source

• Patent Number

  3,519,886

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1970
  54 years ago

• CPC

  • H03F1/54 - with tubes only

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 323 - Electricity: power supply or regulation systems
  • 330 - Amplifiers