1858907

Information

• Patent Grant
• 1858907

• References
• Source

• Patent Number

  1,858,907

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1932
  93 years ago

• CPC

  • H01J13/10 - Containers for the liquid pool Arrangements or mounting thereof
  • H01J13/14 - Cooling, heating, circulating, filtering, or controlling level of the liquid
  • H01J2893/0078 - Mounting cathodic cups in the discharge tube

• US Classifications

  • 313 - Electric lamp and discharge devices