3657752

Information

• Patent Grant
• 3657752

• References
• Source

• Patent Number

  3,657,752

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • B64B1/62 - Controlling gas pressure, heating, cooling, or discharging gas
  • B63B22/22 - Inflatable buoys with gas generating means
  • B63B2201/12 - Reflecting means
  • B63B2201/14 - Balloon

• US Classifications

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