2067353

Information

• Patent Grant
• 2067353

• References
• Source

• Patent Number

  2,067,353

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1937
  88 years ago

• CPC

  • H03B7/04 - active element being vacuum tube

• US Classifications

  • 331 - Oscillators
  • 455 - Telecommunications