1747294

Information

• Patent Grant
• 1747294

• References
• Source

• Patent Number

  1,747,294

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1930
  95 years ago

• CPC

  • E04B5/18 - with stiffening ribs or other beam-like formations wholly cast between filling members

• US Classifications

  • 052 - Static structures