1811014

Information

• Patent Grant
• 1811014

• References
• Source

• Patent Number

  1,811,014

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1931
  93 years ago

• CPC

  • B63C7/26 - Means for indicating the location of underwater objects
  • B63B2201/02 - Audible
  • B63B2205/08 - with means for recovering the sunken object

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices