3661566

Information

• Patent Grant
• 3661566

• References
• Source

• Patent Number

  3,661,566

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1972
  52 years ago

• CPC

  • C21C1/10 - Making spheroidal graphite cast-iron
  • E04B7/12 - formed in bays
  • Y02P10/138 - Electrolysis

• US Classifications

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