3497029

Information

• Patent Grant
• 3497029

• References
• Source

• Patent Number

  3,497,029

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1970
  54 years ago

• CPC

  • E04B2/7437 - with panels hooked onto posts
  • E04B1/8227 - screens ; Arrangements of sound-absorbing elements
  • E04B2/7409 - special measures for sound or thermal insulation, including fire protection
  • E04B2001/747 - Corrugated materials
  • E04B2001/8452 - with peripheral frame members

• US Classifications

  • 181 - Acoustics