3865679

Information

• Patent Grant
• 3865679

• References
• Source

• Patent Number

  3,865,679

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  49 years ago

• CPC

  • E04C2/3405 - spaced apart by profiled spacer sheets
  • B32B3/12 - characterised by a layer of regularly- arranged cells
  • E04C2002/3427 - with conical dimples
  • E04C2002/3438 - with saddle-shaped dimples
  • Y10T428/24058 - including grain, strips, or filamentary elements in respective layers or components in angular relation
  • Y10T428/24149 - Honeycomb-like
  • Y10T428/24661 - Forming, or cooperating to form cells

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 052 - Static structures