3381730

Information

• Patent Grant
• 3381730

• References
• Source

• Patent Number

  3,381,730

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1968
  56 years ago

• CPC

  • E04F21/22 - of single elements
  • B25C3/006 - only for holding and guiding
  • E04F15/04 - only of wood or with a top layer of wood
  • E04F2015/02083 - Piercing the side faces of the flooring elements
  • E04F2201/0153 - by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
  • 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
  • E04F2201/035 - Dovetail connections
  • E04F2201/0517 - U- or C-shaped brackets and clamps

• US Classifications

  • 081 - Tools
  • 227 - Elongated-member-driving apparatus