2442347

Information

• Patent Grant
• 2442347

• References
• Source

• Patent Number

  2,442,347

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1948
  76 years ago

• CPC

  • E04B1/82 - specifically with respect to sound only
  • E04B2001/8461 - layered
  • E04B2001/8466 - with an intermediate layer formed of lines or dots of elastic material
  • Y10T428/24107 - including mechanically interengaged strands, strand-portions or strand-like strips
  • Y10T428/249953 - Composite having voids in a component [e.g., porous, cellular, etc.]

• US Classifications

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