2809908

Information

• Patent Grant
• 2809908

• References
• Source

• Patent Number

  2,809,908

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1957
  67 years ago

• CPC

  • E04C2/3405 - spaced apart by profiled spacer sheets
  • E06B3/7015 - characterised by the filling between two external panels
  • E04C2002/3438 - with saddle-shaped dimples
  • Y10T428/234 - including elements cooperating to form cells
  • Y10T428/239 - Complete cover or casing
  • Y10T428/24661 - Forming, or cooperating to form cells
  • Y10T428/24678 - Waffle-form

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 052 - Static structures
  • 156 - Adhesive bonding and miscellaneous chemical manufacture