3908053

Information

• Patent Grant
• 3908053

• References
• Source

• Patent Number

  3,908,053

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • E04F15/20 - for sound insulation
  • B27M3/04 - of flooring elements
  • E04F15/022 - Flooring consisting of parquetry tiles on a non-rollable sub-layer of other material
  • E04F15/04 - only of wood or with a top layer of wood
  • E04F15/041 - with a top layer of wood in combination with a lower layer of other material
  • 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
  • E04F2201/028 - connected by tongues and grooves with triangular shape
  • E04F2201/042 - with grooves positioned on the rear-side of the panel
  • E04F2201/07 - with connections using a special adhesive material
  • Y10T428/16 - Two dimensionally sectional layer
  • Y10T428/192 - Sheets or webs coplanar
  • Y10T428/24479 - including variation in thickness
  • Y10T428/2457 - Parallel ribs and/or grooves

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 052 - Static structures