3443276

Information

• Patent Grant
• 3443276

• References
• Source

• Patent Number

  3,443,276

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1969
  55 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

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes