1944227

Information

• Patent Grant
• 1944227

• References
• Source

• Patent Number

  1,944,227

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1934
  91 years ago

• CPC

  • C21D5/04 - of white cast-iron
  • C23C2/28 - Thermal aftertreatment

• US Classifications

  • 148 - Metal treatment
  • 076 - Metal tools and implements, making
  • 427 - Coating processes