3439464

Information

• Patent Grant
• 3439464

• References
• Source

• Patent Number

  3,439,464

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • E04F15/04 - only of wood or with a top layer of wood
  • E04B1/10 - the elements consisting of wood
  • E04F13/0823 - piercing the side faces of the covering elements
  • E04F13/0826 - engaging side grooves running along the whole length of the covering elements
  • E04F2201/0107 - by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
  • E04F2201/023 - with a continuous tongue or groove
  • E04F2201/025 - with tongue and grooves alternating transversally in the direction of the thickness of the panel
  • E04F2201/0517 - U- or C-shaped brackets and clamps

• US Classifications

  • 052 - Static structures