1784511

Information

• Patent Grant
• 1784511

• References
• Source

• Patent Number

  1,784,511

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1930
  94 years ago

• CPC

  • E04C2/326 - with corrugations, incisions or reliefs in more than one direction of the element
  • E04C2/08 - of metal
  • E04C2/328 - slightly bowed or folded panels not otherwise provided for
  • E04C2002/3427 - with conical dimples
  • Y10T29/496 - Multiperforated metal article making

• US Classifications

  • 052 - Static structures
  • 029 - Metal working
  • D25 - Building units and construction elements