3068309

Information

• Patent Grant
• 3068309

• References
• Source

• Patent Number

  3,068,309

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1962
  63 years ago

• CPC

  • H01J37/305 - for casting, melting, evaporating or etching
  • Y10S164/05 - Electron beam

• US Classifications

  • 373 - Industrial electric heating furnaces
  • 164 - Metal founding
  • 219 - Electric heating