2411486

Information

• Patent Grant
• 2411486

• References
• Source

• Patent Number

  2,411,486

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1946
  78 years ago

• CPC

  • G01J1/4219 - specially adapted for enlargers

• US Classifications

  • 356 - Optics: measuring and testing
  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems
  • 338 - Electrical resistors
  • 359 - Optical: systems and elements