2818824

Information

• Patent Grant
• 2818824

• References
• Source

• Patent Number

  2,818,824

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1958
  67 years ago

• CPC

  • E04C2/16 - of fibres, chips, vegetable stems, or the like
  • B28B1/526 - by delivering the materials on a conveyor of the endless-belt type
  • B28B1/527 - by delivering the materials on a rotating drum
  • B28B11/04 - for coating or applying engobing layers
  • B28B11/046 - by rolling
  • B28B11/0818 - for roughening, profiling, corrugating
  • E04D1/08 - of plastics of asphalt; of fibrous materials
  • E04D2001/005 - the roofing elements having a granulated surface
  • Y10T428/2457 - Parallel ribs and/or grooves
  • Y10T428/2462 - with partial filling of valleys on outer surface
  • Y10T428/24802 - Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 162 - Paper making and fiber liberation
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • D25 - Building units and construction elements