2639106

Information

• Patent Grant
• 2639106

• References
• Source

• Patent Number

  2,639,106

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1953
  71 years ago

• CPC

  • B63B22/08 - having means to release or urge to the surface a buoy on submergence thereof
  • B64D47/06 - for indicating aircraft presence
  • B63B2201/06 - by combustion of fluid
  • B63B2201/22 - Spread-open chemicals or other products

• US Classifications

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