3878009

Information

• Patent Grant
• 3878009

• References
• Source

• Patent Number

  3,878,009

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  50 years ago

• CPC

  • E04D3/358 - with at least one of the layers being offset with respect to another layer
  • E04B7/22 - the slabs having insulating properties
  • E04D3/352 - at least one insulating layer being located between non-insulating layers
  • E04D2003/3617 - with locking or snapping edges located in the thickness of the slab or sheet
  • Y10T156/1052 - with cutting, punching, tearing or severing

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 052 - Static structures