1679678

Information

• Patent Grant
• 1679678

• References
• Source

• Patent Number

  1,679,678

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1928
  96 years ago

• CPC

  • B63B57/04 - by ventilating

• US Classifications

  • 454 - Ventilation
  • 114 - Ships