2099342

Information

• Patent Grant
• 2099342

• References
• Source

• Patent Number

  2,099,342

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1937
  87 years ago

• CPC

  • C04B18/125 - Slate residues
  • Y02W30/93 - from quarries, mining or the like

• US Classifications

  • 501 - Compositions: ceramic
  • 106 - Compositions: coating or plastic
  • 249 - Static molds