2069435

Information

• Patent Grant
• 2069435

• References
• Source

• Patent Number

  2,069,435

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1937
  88 years ago

• CPC

  • E06B7/04 - with ventilation wings

• US Classifications

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