3616153

Information

• Patent Grant
• 3616153

• References
• Source

• Patent Number

  3,616,153

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1971
  53 years ago

• CPC

  • E04C2/16 - of fibres, chips, vegetable stems, or the like
  • E04C1/40 - built-up from parts of different materials
  • E04C2/36 - spaced apart by transversely-placed strip material
  • E04B2002/0206 - of rectangular shape
  • E04B2002/0213 - of round shape
  • E04B2002/0226 - with tongues and grooves next to each other on the end surface
  • E04B2002/0252 - Dovetail keys
  • E04B2002/0267 - Building elements with the appearence of several bricks
  • Y10T428/1303 - Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
  • Y10T428/24331 - including nonapertured component
  • Y10T428/24479 - including variation in thickness
  • Y10T428/2457 - Parallel ribs and/or grooves
  • Y10T428/24744 - Longitudinal or transverse tubular cavity or cell

• US Classifications

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