2648104

Information

• Patent Grant
• 2648104

• References
• Source

• Patent Number

  2,648,104

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1953
  73 years ago

• CPC

  • E04F13/0864 - composed of superposed elements which overlap each other and of which the flat outer surface includes an acute angle with the surface to cover
  • E04B2/709 - obturation by means of longitudinal elements with a plane external surface

• US Classifications

  • 052 - Static structures