1800912

Information

• Patent Grant
• 1800912

• References
• Source

• Patent Number

  1,800,912

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1931
  93 years ago

• CPC

  • C21D1/48 - Metal baths

• US Classifications

  • 266 - Metallurgical apparatus
  • 432 - Heating