3389202

Information

• Patent Grant
• 3389202

• References
• Source

• Patent Number

  3,389,202

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1968
  56 years ago

• CPC

  • E04B1/32 - Arched structures Vaulted structures Folded structures
  • E04B1/166 - with curved surfaces, at least partially cast in situ in order to make a continuous concrete shell structure
  • E04B1/3533 - characterised by the raising of hingedly-connected building elements
  • E04B2001/3217 - Auxilliary supporting devices used during erection of the arched structures
  • E04B2001/3264 - hardened in-situ

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 052 - Static structures