3360656

Information

• Patent Grant
• 3360656

• References
• Source

• Patent Number

  3,360,656

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1967
  57 years ago

• CPC

  • G01J1/04 - Optical or mechnical part supplementary adjustable parts
  • G01J1/4219 - specially adapted for enlargers
  • G01J1/0271 - Housings; Attachments or accessories for photometers
  • G01J1/0488 - with spectral filtering

• US Classifications

  • 250 - Radiant energy
  • 356 - Optics: measuring and testing
  • 359 - Optical: systems and elements