2067053

Information

• Patent Grant
• 2067053

• References
• Source

• Patent Number

  2,067,053

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1937
  87 years ago

• CPC

  • H01J17/22 - Means for obtaining or maintaining the desired pressure within the tube

• US Classifications

  • 313 - Electric lamp and discharge devices