3815053

Information

• Patent Grant
• 3815053

• References
• Source

• Patent Number

  3,815,053

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  50 years ago

• CPC

  • H03B5/10 - active element in amplifier being vacuum tube

• US Classifications

  • 331 - Oscillators