1922501

Information

• Patent Grant
• 1922501

• References
• Source

• Patent Number

  1,922,501

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1933
  91 years ago

• CPC

  • E04D1/265 - the roofing elements being rigid
  • B28B3/16 - with co-operating profiled rollers
  • D06N5/00 - Roofing materials comprising a fibrous web coated with bitumen or another polymer
  • E04D1/26 - Strip-shaped roofing elements appearing as a row of shingles
  • E04D2001/005 - the roofing elements having a granulated surface
  • Y10T428/24488 - Differential nonuniformity at margin
  • Y10T428/24521 - with component conforming to contour of nonplanar surface

• US Classifications

  • 052 - Static structures
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 427 - Coating processes
  • 428 - Stock material or miscellaneous articles