696219

Information

• Patent Grant
• 696219

• References
• Source

• Patent Number

  696,219

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1902
  122 years ago

• CPC

  • F24F7/02 - Roof ventilation
  • A62B29/00 - Devices

• US Classifications

  • 454 - Ventilation
  • 049 - Movable or removable closures