3822499

Information

• Patent Grant
• 3822499

• References
• Source

• Patent Number

  3,822,499

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1974
  50 years ago

• CPC

  • A63H33/108 - with holes
  • A63F2009/122 - connecting only two neighbouring elements
  • A63F2250/183 - Foam
  • Y10S52/10 - Polyhedron
  • Y10S273/08 - Urethane

• US Classifications

  • 446 - Amusement devices: toys
  • 052 - Static structures
  • 114 - Ships
  • 273 - Amusement devices: games
  • 405 - Hydraulic and earth engineering
  • 441 - Buoys, rafts, and aquatic devices
  • 473 - Games using tangible projectile
  • D25 - Building units and construction elements