1669211

Information

• Patent Grant
• 1669211

• References
• Source

• Patent Number

  1,669,211

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1928
  96 years ago

• CPC

  • E04C2/422 - with continuous bars connecting at crossing points of the grid pattern

• US Classifications

  • 052 - Static structures
  • 160 - Flexible or portable closure, partition, or panel