3873652

Information

• Patent Grant
• 3873652

• References
• Source

• Patent Number

  3,873,652

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  49 years ago

• CPC

  • F27D1/1636 - Repairing linings by projecting or spraying refractory materials on the lining
  • C21C5/443 - Hot fettling; Flame gunning
  • F27D1/1673 - applied centrifugally
  • F27D2003/0087 - Rotation about a vertical axis

• US Classifications

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