1557832

Information

• Patent Grant
• 1557832

• References
• Source

• Patent Number

  1,557,832

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1925
  99 years ago

• CPC

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

• US Classifications

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