3780477

Information

• Patent Grant
• 3780477

• References
• Source

• Patent Number

  3,780,477

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • E04H15/52 - parallelogram type
  • E04B1/32 - Arched structures Vaulted structures Folded structures
  • E04B1/3205 - Structures with a longitudinal horizontal axis
  • E04H15/648 - the longitudinal recesses being made from two clamping members
  • E04B2001/3241 - Frame connection details
  • E04B2001/3252 - Covering details
  • Y10S135/906 - Arched structure

• US Classifications

  • 135 - Tent, canopy, umbrella, or cane
  • 052 - Static structures
  • D25 - Building units and construction elements