2880471

Information

• Patent Grant
• 2880471

• References
• Source

• Patent Number

  2,880,471

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1959
  65 years ago

• CPC

  • E06B5/20 - for insulation against noise
  • E06B3/825 - with a wooden frame
  • E06B2003/7025 - of cork; of wood or similar fibres
  • E06B2003/7067 - of layered construction

• US Classifications

  • 052 - Static structures