2470732

Information

• Patent Grant
• 2470732

• References
• Source

• Patent Number

  2,470,732

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1949
  75 years ago

• CPC

  • H03B7/04 - active element being vacuum tube
  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/001 - Non-constructive schematic arrangements

• US Classifications

  • 313 - Electric lamp and discharge devices