3700067

Information

• Patent Grant
• 3700067

• References
• Source

• Patent Number

  3,700,067

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1972
  52 years ago

• CPC

  • G10K11/16 - Methods or devices for protecting against, or damping of, acoustic waves
  • E04B1/86 - slab-shaped
  • E04C2/24 - laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
  • E04C2/34 - composed of two or more spaced sheet-like parts
  • E04B2001/8423 - Tray or frame type panels or blocks, with or without acoustical filling
  • E04B2001/8457 - Solid slabs or blocks
  • Y10T428/24149 - Honeycomb-like

• US Classifications

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