1772861

Information

• Patent Grant
• 1772861

• References
• Source

• Patent Number

  1,772,861

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1930
  94 years ago

• CPC

  • B63B22/08 - having means to release or urge to the surface a buoy on submergence thereof
  • B63B2205/06 - Reel for tether
  • B63B2205/08 - with means for recovering the sunken object

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices