1294341

Information

• Patent Grant
• 1294341

• References
• Source

• Patent Number

  1,294,341

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1919
  106 years ago

• CPC

  • G01C3/12 - with monocular observation at a single point
  • Y10S116/01 - Combined with diverse elements

• US Classifications

  • 356 - Optics: measuring and testing
  • 116 - Signals and indicators