293981

Information

• Patent Grant
• 293981

• References
• Source

• Patent Number

  293,981

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1884
  141 years ago

• CPC

  • E04C2/049 - completely or partially of insulating material
  • Y10T442/128 - Including a layer derived from a water-settable material [e.g., cement, gypsum, etc.]

• US Classifications

  • 442 - Fabric
  • 139 - Textiles: weaving