3726951

Information

• Patent Grant
• 3726951

• References
• Source

• Patent Number

  3,726,951

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1973
  51 years ago

• CPC

  • B29C67/20 - for porous or cellular articles
  • E04B1/3211 - Structures with a vertical rotation axis or the like
  • E04B1/35 - Extraordinary methods of construction
  • E04B2001/3217 - Auxilliary supporting devices used during erection of the arched structures
  • E04B2001/3229 - constructed using a boom
  • E04B2001/3264 - hardened in-situ
  • Y10S425/126 - Silo mold

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 052 - Static structures
  • 521 - Synthetic resins or natural rubbers