3894711

Information

• Patent Grant
• 3894711

• References
• Source

• Patent Number

  3,894,711

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1975
  49 years ago

• CPC

  • B28B7/22 - Moulds for making units for prefabricated buildings i.e. units each comprising an important section of at least two limiting planes of a room or space
  • E04B1/161 - with vertical and horizontal slabs, both being partially cast in situ
  • E04B1/348 - Structures composed of units comprising at least considerable parts of two sides of a room
  • E04B1/34823 - the supporting structure consisting of concrete
  • E04G11/082 - Retractable forms for the inside face of at least three walls
  • E04G11/10 - of elements without beams which are mounted during erection of the shuttering to brace or couple the elements

• US Classifications

  • 249 - Static molds