3663669

Information

• Patent Grant
• 3663669

• References
• Source

• Patent Number

  3,663,669

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • C21C5/443 - Hot fettling; Flame gunning
  • F27D1/1673 - applied centrifugally

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes