1343478

Information

• Patent Grant
• 1343478

• References
• Source

• Patent Number

  1,343,478

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1920
  104 years ago

• CPC

  • E04D11/02 - Build-up roofs
  • Y10S428/921 - Fire or flameproofing
  • Y10T428/31652 - Of asbestos
  • Y10T428/31815 - Of bituminous or tarry residue
  • Y10T442/53 - Including particulate material other than fiber
  • Y10T442/54 - At least three layers
  • Y10T442/668 - Separate nonwoven fabric layers comprise chemically different strand or fiber material

• US Classifications

  • 442 - Fabric
  • 428 - Stock material or miscellaneous articles