3087571

Information

• Patent Grant
• 3087571

• References
• Source

• Patent Number

  3,087,571

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1963
  61 years ago

• CPC

  • G10K11/168 - Plural layers of different materials
  • B64C1/40 - Sound or heat insulation
  • E04B1/82 - specifically with respect to sound only
  • E04B1/84 - Sound-absorbing elements
  • F16F9/306 - of the constrained layer type
  • E04B2001/747 - Corrugated materials
  • E04B2001/748 - Honeycomb materials
  • E04B2001/8461 - layered
  • Y10T428/24149 - Honeycomb-like
  • Y10T428/2495 - Thickness [relative or absolute]
  • Y10T428/249981 - Plural void-containing components
  • Y10T428/24999 - Inorganic

• US Classifications

  • 181 - Acoustics
  • 428 - Stock material or miscellaneous articles