3583657

Information

• Patent Grant
• 3583657

• References
• Source

• Patent Number

  3,583,657

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1971
  53 years ago

• CPC

  • G12B9/02 - Casings Housings Cabinets
  • B63G8/40 - Rescue equipment for personnel

• US Classifications

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