2187139

Information

• Patent Grant
• 2187139

• References
• Source

• Patent Number

  2,187,139

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1940
  85 years ago

• CPC

  • E04D1/125 - Diamond shaped and installed in diagonal lines
  • E04D1/22 - of specified materials not covered by any one of groups E04D1/14 - E04D1/205 , or of combinations of materials, where at least one is not covered by any one of groups E04D1/14 - E04D1/205

• US Classifications

  • 052 - Static structures
  • D25 - Building units and construction elements