3056343

Information

• Patent Grant
• 3056343

• References
• Source

• Patent Number

  3,056,343

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1962
  62 years ago

• CPC

  • E06B7/082 - with rigid or slidable lamellae
  • F24F13/082 - Grilles, registers or guards
  • Y10S454/905 - Black out means

• US Classifications

  • 454 - Ventilation