3412519

Information

• Patent Grant
• 3412519

• References
• Source

• Patent Number

  3,412,519

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1968
  56 years ago

• CPC

  • E04B1/344 - with hinged parts
  • E04B1/19 - Three-dimensional framework structures
  • E04B1/1906 - with central spherical, semispherical or polyhedral connecting element
  • E04B2001/1921 - with connecting nodes having radial connecting stubs
  • E04B2001/1933 - of polygonal
  • E04B2001/1981 - characterised by the grid type of the outer planes of the framework
  • Y10S52/10 - Polyhedron

• US Classifications

  • 052 - Static structures
  • 446 - Amusement devices: toys
  • D25 - Building units and construction elements