1897589

Information

• Patent Grant
• 1897589

• References
• Source

• Patent Number

  1,897,589

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1933
  91 years ago

• CPC

  • B22D18/06 - Vacuum casting
  • B22D7/005 - from non-ferrous metals
  • Y10S164/07 - Melt

• US Classifications

  • 164 - Metal founding
  • 266 - Metallurgical apparatus