2803838

Information

• Patent Grant
• 2803838

• References
• Source

• Patent Number

  2,803,838

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1957
  67 years ago

• CPC

  • B63C9/21 - Boats, rafts, buoys or the like, characterised by signalling means
  • B63B2209/02 - water activated switches

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 116 - Signals and indicators