1861766

Information

• Patent Grant
• 1861766

• References
• Source

• Patent Number

  1,861,766

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1932
  92 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
  • E04G13/026 - the forming surface-element being the same for different sections of the column

• US Classifications

  • 249 - Static molds