3335530

Information

• Patent Grant
• 3335530

• References
• Source

• Patent Number

  3,335,530

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1967
  57 years ago

• CPC

  • E04D13/1675 - on saddle-roofs or inclined roof surfaces
  • E04B7/00 - Roofs Roof construction with regard to insulation
  • E04D3/362 - by locking the edge of one slab or sheet within theprofiled marginal portion of the adjacent slab or sheet
  • Y10T29/49925 - Inward deformation of aperture or hollow body wall
  • Y10T29/49936 - Surface interlocking

• US Classifications

  • 052 - Static structures
  • 029 - Metal working