2377648

Information

• Patent Grant
• 2377648

• References
• Source

• Patent Number

  2,377,648

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1945
  80 years ago

• CPC

  • E04C2/426 - with continuous bars that remain unconnected at crossing points of the grid pattern

• US Classifications

  • 052 - Static structures