1330569

Information

• Patent Grant
• 1330569

• References
• Source

• Patent Number

  1,330,569

• Date Filed

  Not available

• Date Issued

  Tuesday, February 10, 1920
  105 years ago

• CPC

  • B63B19/04 - Air-catching equipment related to windows or port-holes

• US Classifications

  • 454 - Ventilation