2721069

Information

• Patent Grant
• 2721069

• References
• Source

• Patent Number

  2,721,069

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1955
  69 years ago

• CPC

  • C04B20/061 - in rotary kilns
  • Y10T428/2993 - Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

• US Classifications

  • 106 - Compositions: coating or plastic
  • 252 - Compositions
  • 428 - Stock material or miscellaneous articles
  • 432 - Heating