2488772

Information

• Patent Grant
• 2488772

• References
• Source

• Patent Number

  2,488,772

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1949
  75 years ago

• CPC

  • H01J13/12 - Positioning or moving the cathode spot on the surface of the pool
  • H01J13/14 - Cooling, heating, circulating, filtering, or controlling level of the liquid
  • H01J2893/0084 - Protection against mercury deposition

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 220 - Receptacles