3705473

Information

• Patent Grant
• 3705473

• References
• Source

• Patent Number

  3,705,473

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1972
  52 years ago

• CPC

  • E04B1/19 - Three-dimensional framework structures
  • E04B2001/1927 - of essentially circular cross section
  • E04B2001/1951 - uninterrupted struts situated in the outer planes of the framework
  • E04B2001/1954 - uninterrupted struts connecting alternately with the outer planes of the framework
  • E04B2001/1984 - rectangular
  • E04B2001/1987 - triangular grid
  • E04B2001/199 - Details of roofs, floors or walls supported by the framework

• US Classifications

  • 052 - Static structures