3089217

Information

• Patent Grant
• 3089217

• References
• Source

• Patent Number

  3,089,217

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1963
  61 years ago

• CPC

  • E04G11/00 - Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
  • E04G9/10 - with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
  • E04G11/04 - for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section Inflatable forms
  • E04G11/12 - of elements and beams which are mounted during erection of the shuttering to brace or couple the elements
  • E04G15/065 - with mechanical means to modify the section

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus