638342

Information

• Patent Grant
• 638342

• References
• Source

• Patent Number

  638,342

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1899
  125 years ago

• CPC

  • B63G8/001 - Underwater vessels adapted for special purposes
  • B63G8/36 - Adaptations of ventilation
  • B63B43/20 - Feelers
  • B63B2211/06 - Operation in ice-infested waters

• US Classifications

  • 114 - Ships