2177238

Information

• Patent Grant
• 2177238

• References
• Source

• Patent Number

  2,177,238

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1939
  85 years ago

• CPC

  • E04B5/265 - with one or more hollow cores
  • E04B5/266 - Filling members covering the undersurface of the beams
  • E04B5/29 - the prefabricated parts of the beams consisting wholly of metal

• US Classifications

  • 052 - Static structures