578308

Information

• Patent Grant
• 578308

• References
• Source

• Patent Number

  578,308

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1897
  127 years ago

• CPC

  • B63C7/30 - Floatable safes

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 109 - Safes, bank protection, or a related device