1406089

Information

• Patent Grant
• 1406089

• References
• Source

• Patent Number

  1,406,089

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1922
  102 years ago

• CPC

  • E06B7/04 - with ventilation wings

• US Classifications

  • 454 - Ventilation
  • 160 - Flexible or portable closure, partition, or panel