2968819

Information

• Patent Grant
• 2968819

• References
• Source

• Patent Number

  2,968,819

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1961
  63 years ago

• CPC

  • B63B22/10 - Water soluble or water weakened means

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 116 - Signals and indicators
  • 367 - Communications, electrical: acoustic wave systems and devices