3525663

Information

• Patent Grant
• 3525663

• References
• Source

• Patent Number

  3,525,663

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1970
  54 years ago

• CPC

  • B32B37/00 - Methods or apparatus for laminating
  • B29C51/006 - for making articles having hollow walls
  • B29C51/08 - Deep drawing or matched-mould forming
  • B32B27/00 - Layered products comprising a layer of synthetic resin
  • E04C2/32 - formed of corrugated or otherwise indented sheet-like material composed of such layers with or without layers of flat sheet-like material
  • E04C2/3405 - spaced apart by profiled spacer sheets
  • E04C2002/3438 - with saddle-shaped dimples
  • Y10T428/24661 - Forming, or cooperating to form cells
  • Y10T428/24669 - Aligned or parallel nonplanarities
  • Y10T428/24678 - Waffle-form
  • Y10T428/2839 - with release or antistick coating

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 052 - Static structures
  • 405 - Hydraulic and earth engineering
  • D25 - Building units and construction elements