2252849

Information

• Patent Grant
• 2252849

• References
• Source

• Patent Number

  2,252,849

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1941
  83 years ago

• CPC

  • B63B49/00 - Arrangements of nautical instruments or navigational aids
  • B63B2726/00 - Miscellaneous signalling devices and draft indicators

• US Classifications

  • 340 - Communications: electrical
  • 116 - Signals and indicators