3390858

Information

• Patent Grant
• 3390858

• References
• Source

• Patent Number

  3,390,858

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1968
  56 years ago

• CPC

  • E04G15/065 - with mechanical means to modify the section
  • 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
  • E04G11/02 - for rooms as a whole by which walls and floors are cast simultaneously , whole storeys, or whole buildings
  • E04G11/082 - Retractable forms for the inside face of at least three walls

• US Classifications

  • 249 - Static molds
  • 164 - Metal founding
  • 425 - Plastic article or earthenware shaping or treating: apparatus