2641780

Information

• Patent Grant
• 2641780

• References
• Source

• Patent Number

  2,641,780

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1953
  71 years ago

• CPC

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

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 114 - Ships