3317857

Information

• Patent Grant
• 3317857

• References
• Source

• Patent Number

  3,317,857

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1967
  58 years ago

• CPC

  • H03B5/10 - active element in amplifier being vacuum tube
  • H05B6/04 - Sources of current

• US Classifications

  • 331 - Oscillators