3789253

Information

• Patent Grant
• 3789253

• References
• Source

• Patent Number

  3,789,253

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  50 years ago

• CPC

  • H01J27/10 - Duoplasmatrons
  • Y10T29/49982 - Coating

• US Classifications

  • 250 - Radiant energy
  • 029 - Metal working
  • 313 - Electric lamp and discharge devices