1672886

Information

• Patent Grant
• 1672886

• References
• Source

• Patent Number

  1,672,886

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1928
  96 years ago

• CPC

  • E04B5/08 - assembled of block-shaped elements
  • E04B5/265 - with one or more hollow cores
  • E04B5/266 - Filling members covering the undersurface of the beams

• US Classifications

  • 138 - Pipes and tubular conduits
  • 052 - Static structures