3676976

Information

• Patent Grant
• 3676976

• References
• Source

• Patent Number

  3,676,976

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • E04B1/3205 - Structures with a longitudinal horizontal axis
  • E04B1/169 - inflatable
  • E04B1/32 - Arched structures Vaulted structures Folded structures
  • E04G11/04 - for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section Inflatable forms
  • E04B2001/3217 - Auxilliary supporting devices used during erection of the arched structures
  • E04B2001/3264 - hardened in-situ
  • E04B2001/3276 - Panel connection details
  • E04B2001/3594 - inflatable lifting or handling devices

• US Classifications

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