2075208

Information

• Patent Grant
• 2075208

• References
• Source

• Patent Number

  2,075,208

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1937
  87 years ago

• CPC

  • H01J17/52 - with one cathode and one anode

• US Classifications

  • 313 - Electric lamp and discharge devices