2514541

Information

• Patent Grant
• 2514541

• References
• Source

• Patent Number

  2,514,541

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1950
  74 years ago

• CPC

  • G01C21/22 - Plotting boards
  • Y10S116/39 - Dial magnifiers
  • Y10S116/41 - Color comparison

• US Classifications

  • 353 - Optics: image projectors
  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators
  • 340 - Communications: electrical