1236694

Information

• Patent Grant
• 1236694

• References
• Source

• Patent Number

  1,236,694

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1917
  107 years ago

• CPC

  • B32B3/28 - characterised by a layer comprising a deformed thin sheet , i.e. the layer having its entire thickness deformed out of the plane
  • A61F2013/530598 - in aggregates
  • Y10S428/92 - Fire or heat protection feature
  • Y10T428/234 - including elements cooperating to form cells
  • Y10T428/239 - Complete cover or casing

• US Classifications

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