1444309

Information

• Patent Grant
• 1444309

• References
• Source

• Patent Number

  1,444,309

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1923
  102 years ago

• CPC

  • C04B7/12 - Natural pozzuolanes Natural pozzuolana cements; Artificial pozzuolanes or artificial pozzuolana cements other than those obtained from waste or combustion residues
  • C04B2111/24 - Sea water resistance

• US Classifications

  • 106 - Compositions: coating or plastic