3903671

Information

• Patent Grant
• 3903671

• References
• Source

• Patent Number

  3,903,671

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • E04F13/0823 - piercing the side faces of the covering elements
  • E04F13/0803 - with load-supporting elongated furring elements between wall and covering elements
  • E04F13/0805 - with additional fastening elements between furring elements and the wall
  • E04F13/0814 - fixed by means of clamping action
  • E04F13/0825 - engaging side holes preformed into the covering elements

• US Classifications

  • 052 - Static structures