1882171

Information

• Patent Grant
• 1882171

• References
• Source

• Patent Number

  1,882,171

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1932
  92 years ago

• CPC

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

• US Classifications

  • 033 - Geometrical instruments