3768436

Information

• Patent Grant
• 3768436

• References
• Source

• Patent Number

  3,768,436

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1973
  51 years ago

• CPC

  • F42B19/36 - adapted to be used for exercise purposes

• US Classifications

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