3834487

Information

• Patent Grant
• 3834487

• References
• Source

• Patent Number

  3,834,487

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  51 years ago

• CPC

  • E04B1/86 - slab-shaped
  • E04C2/3405 - spaced apart by profiled spacer sheets
  • E04B2001/8428 - containing specially shaped acoustical bodies
  • E04B2001/8471 - with non-planar interior transition surfaces between layers
  • E04B2001/8476 - with acoustical cavities, with or without acoustical filling
  • E04C2002/3438 - with saddle-shaped dimples
  • E04C2002/3472 - with multiple layers of profiled spacer sheets
  • Y10T428/24149 - Honeycomb-like
  • Y10T428/24331 - including nonapertured component
  • Y10T428/24661 - Forming, or cooperating to form cells

• US Classifications

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