2157688

Information

• Patent Grant
• 2157688

• References
• Source

• Patent Number

  2,157,688

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1939
  85 years ago

• CPC

  • E04B1/163 - with vertical and horizontal slabs, only the vertical slabs being partially cast in situ

• US Classifications

  • 052 - Static structures