2192645

Information

• Patent Grant
• 2192645

• References
• Source

• Patent Number

  2,192,645

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1940
  84 years ago

• CPC

  • C21D5/04 - of white cast-iron

• US Classifications

  • 420 - Alloys or metallic compositions
  • 148 - Metal treatment