2205548

Information

• Patent Grant
• 2205548

• References
• Source

• Patent Number

  2,205,548

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1940
  84 years ago

• CPC

  • G01C17/08 - by flotation
  • G01C17/00 - Compasses Devices for ascertaining true or magnetic north for navigation or surveying purposes

• US Classifications

  • 033 - Geometrical instruments