3825220

Information

• Patent Grant
• 3825220

• References
• Source

• Patent Number

  3,825,220

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  51 years ago

• CPC

  • E04G11/10 - of elements without beams which are mounted during erection of the shuttering to brace or couple the elements
  • E04G9/04 - the form surface being of wood
  • E04G17/001 - Corner fastening or connecting means for forming or stiffening elements

• US Classifications

  • 249 - Static molds