1754771

Information

• Patent Grant
• 1754771

• References
• Source

• Patent Number

  1,754,771

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1930
  94 years ago

• CPC

  • E04D1/10 - of specified materials not covered by any one of groups E04D1/04 - E04D1/085 , or of combinations of materials, where at least one is not covered by any one of groups E04D1/04 - E04D1/085
  • E04D2001/005 - the roofing elements having a granulated surface
  • Y10T428/1303 - Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
  • Y10T428/24372 - Particulate matter

• US Classifications

  • 052 - Static structures
  • 162 - Paper making and fiber liberation
  • 428 - Stock material or miscellaneous articles