3682458

Information

• Patent Grant
• 3682458

• References
• Source

• Patent Number

  3,682,458

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1972
  53 years ago

• CPC

  • B22D18/06 - Vacuum casting
  • B22D21/005 - with high melting point
  • H05B6/30 - Arrangements for remelting or zone melting
  • Y10S266/905 - Refractory metal-extracting means

• US Classifications

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