1873040

Information

• Patent Grant
• 1873040

• References
• Source

• Patent Number

  1,873,040

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1932
  92 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
  • Y10T156/1044 - of parallel stacked sheets only
  • Y10T156/1317 - Means feeding plural workpieces to be joined

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture