3253236

Information

• Patent Grant
• 3253236

• References
• Source

• Patent Number

  3,253,236

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1966
  58 years ago

• CPC

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

• US Classifications

  • 331 - Oscillators
  • 178 - Telegraphy