1742687

Information

• Patent Grant
• 1742687

• References
• Source

• Patent Number

  1,742,687

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1930
  95 years ago

• CPC

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

• US Classifications

  • 114 - Ships
  • 362 - Illumination