3238278

Information

• Patent Grant
• 3238278

• References
• Source

• Patent Number

  3,238,278

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1966
  59 years ago

• CPC

  • E04G11/46 - of hat-like or trough-like shape encasing a rib or the section between two ribs or encasing one rib and its adjacent flat floor or ceiling section
  • E04B5/326 - with hollow filling elements
  • Y10S249/02 - Paper core

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 052 - Static structures
  • 249 - Static molds