1454070

Information

• Patent Grant
• 1454070

• References
• Source

• Patent Number

  1,454,070

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1923
  101 years ago

• CPC

  • E04D1/04 - of ceramics, glass or concrete, with or without reinforcement
  • E04D1/30 - Special roof-covering elements
  • E04D2001/305 - Ridge or hip tiles
  • E04D2001/306 - Under-ridge tiles
  • E04D2001/3447 - the fastening means being integral or premounted to the roof covering
  • E04D2001/3455 - on the internal surface of the roof covering elements

• US Classifications

  • 052 - Static structures