3747788

Information

• Patent Grant
• 3747788

• References
• Source

• Patent Number

  3,747,788

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • B62D53/067 - Multi-purpose, convertible or extendable load surface semi-trailers
  • B62D33/08 - comprising adjustable means
  • B62D53/068 - having devices to equalise or modify the load between the fifth wheel and the rear wheels
  • E04B1/34823 - the supporting structure consisting of concrete
  • E04G21/14 - Conveying or assembling building elements
  • E04G21/161 - Handling units comprising at least considerable parts of two sides of a room or like enclosed space
  • Y10S280/08 - Separable body or container-type semitrailers
  • Y10S280/09 - Occupant-steered trailers
  • Y10S280/14 - Tractor-trailer backing connections

• US Classifications

  • 414 - Material or article handling
  • 180 - Motor vehicles
  • 280 - Land vehicles