1662300

Information

• Patent Grant
• 1662300

• References
• Source

• Patent Number

  1,662,300

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1928
  96 years ago

• CPC

  • E04B2/28 - Walls having cavities between, but not in, the elements Walls of elements each consisting of two or more parts kept in distance by means of spacers, all parts being solid
  • E04B2002/0278 - forming a unity with the building elements
  • E04B2002/0297 - of which the width is less than the wall thickness

• US Classifications

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