3265154

Information

• Patent Grant
• 3265154

• References
• Source

• Patent Number

  3,265,154

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1966
  58 years ago

• CPC

  • E04B1/86 - slab-shaped
  • E04B2001/8466 - with an intermediate layer formed of lines or dots of elastic material
  • E04B2001/8471 - with non-planar interior transition surfaces between layers
  • E04B2001/8485 - the opening being restricted

• US Classifications

  • 181 - Acoustics