3717489

Information

• Patent Grant
• 3717489

• References
• Source

• Patent Number

  3,717,489

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  51 years ago

• CPC

  • C04B7/04 - using raw materials containing gypsum

• US Classifications

  • 106 - Compositions: coating or plastic