3152893

Information

• Patent Grant
• 3152893

• References
• Source

• Patent Number

  3,152,893

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1964
  61 years ago

• CPC

  • B22F3/26 - Impregnating
  • C21D1/68 - Temporary coatings or embedding materials applied before or during heat treatment
  • C22F1/008 - Using a protective surface layer

• US Classifications

  • 419 - Powder metallurgy processes