2197259

Information

• Patent Grant
• 2197259

• References
• Source

• Patent Number

  2,197,259

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1940
  85 years ago

• CPC

  • C22C33/06 - using master alloys
  • C21C7/0006 - Adding metallic additives

• US Classifications

  • 420 - Alloys or metallic compositions
  • 164 - Metal founding
  • 266 - Metallurgical apparatus