1044558

Information

• Patent Grant
• 1044558

• References
• Source

• Patent Number

  1,044,558

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1912
  112 years ago

• CPC

  • D06N5/00 - Roofing materials comprising a fibrous web coated with bitumen or another polymer
  • Y10T442/3626 - At least one layer contains bituminous material [e.g., tar, pitch, asphalt, etc.]
  • Y10T442/3821 - Coating or impregnation contains bituminous material
  • Y10T442/3927 - Including a paper or wood pulp layer

• US Classifications

  • 442 - Fabric