2215310

Information

• Patent Grant
• 2215310

• References
• Source

• Patent Number

  2,215,310

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1940
  84 years ago

• CPC

  • G01D13/22 - Pointers
  • Y10S116/37 - Multiple movable scales
  • Y10S116/45 - Parallax

• US Classifications

  • 359 - Optical: systems and elements
  • 116 - Signals and indicators