3423791

Information

• Patent Grant
• 3423791

• References
• Source

• Patent Number

  3,423,791

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1969
  56 years ago

• CPC

  • E04B1/35 - Extraordinary methods of construction
  • E04B1/32 - Arched structures Vaulted structures Folded structures
  • 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