2823442

Information

• Patent Grant
• 2823442

• References
• Source

• Patent Number

  2,823,442

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1958
  67 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
  • E04B5/268 - End filling members to be placed between the floor and the wall
  • E04B5/36 - with form units as part of the floor
  • E04B5/26 - with filling members between the beams
  • Y10S249/02 - Paper core

• US Classifications

  • 249 - Static molds
  • 229 - Envelopes, wrappers, and paperboard boxes