1664261

Information

• Patent Grant
• 1664261

• References
• Source

• Patent Number

  1,664,261

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1928
  96 years ago

• CPC

  • E04D5/04 - by making use of metal foils
  • E04D3/364 - by folding of the edges

• US Classifications

  • 052 - Static structures