3327446

Information

• Patent Grant
• 3327446

• References
• Source

• Patent Number

  3,327,446

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1967
  57 years ago

• CPC

  • E04F13/0864 - composed of superposed elements which overlap each other and of which the flat outer surface includes an acute angle with the surface to cover
  • E04D2001/3414 - Metal strips or sheet metal
  • E04D2001/3447 - the fastening means being integral or premounted to the roof covering
  • E04D2001/3458 - on the upper or lower transverse edges of the roof covering elements
  • E04D2001/3482 - the fastening means taking hold directly on elements of succeeding rows and fastening them simultaneously to the structure
  • E04D2001/3485 - the fastening means taking hold directly on elements of succeeding rows and fastening them only to each other

• US Classifications

  • 052 - Static structures