3514909

Information

• Patent Grant
• 3514909

• References
• Source

• Patent Number

  3,514,909

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1970
  54 years ago

• CPC

  • E04B1/162 - with a central core, used as form, in order to form a continuous concrete shell
  • E04B1/3412 - mainly supported by a central column or footing
  • E04G11/00 - Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
  • Y10S425/126 - Silo mold

• US Classifications

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