3837989

Information

• Patent Grant
• 3837989

• References
• Source

• Patent Number

  3,837,989

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • E04C2/16 - of fibres, chips, vegetable stems, or the like
  • E04B1/34846 - the supporting structure consisting of other specified material
  • Y10S52/09 - Structure including reclaimed component
  • Y10T428/24149 - Honeycomb-like
  • Y10T428/253 - Cellulosic [e.g., wood, paper, cork, rayon, etc.]
  • Y10T428/2982 - Particulate matter [e.g., sphere, flake, etc.]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 052 - Static structures
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 162 - Paper making and fiber liberation