3770560

Information

• Patent Grant
• 3770560

• References
• Source

• Patent Number

  3,770,560

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  51 years ago

• CPC

  • E01F8/0076 - Cellular
  • B32B27/00 - Layered products comprising a layer of synthetic resin
  • E04B1/86 - slab-shaped
  • G10K11/172 - using resonance effects
  • A47B2220/13 - Sound or noise reduction or dampening
  • A47L15/4255 - Insulation arrangements
  • E04B2001/7691 - Heat reflecting layers or coatings
  • E04B2001/8461 - layered
  • E04B2001/8485 - the opening being restricted
  • Y10T428/24149 - Honeycomb-like
  • Y10T428/24273 - including aperture
  • Y10T428/24298 - Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
  • Y10T428/24306 - Diamond or hexagonal
  • Y10T428/24331 - including nonapertured component
  • Y10T428/24967 - Absolute thicknesses specified
  • Y10T428/31605 - Next to free metal
  • Y10T428/31681 - Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]

• US Classifications

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