3315579

Information

• Patent Grant
• 3315579

• References
• Source

• Patent Number

  3,315,579

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1967
  57 years ago

• CPC

  • G03B17/08 - Waterproof bodies or housings
  • G01J1/124 - based on the comparison of the intensity of measured light with a comparison source or comparison illuminated surface
  • G03B7/02 - Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from or built into camera body
  • G03B9/08 - Shutters
  • Y10T74/20012 - Multiple controlled elements

• US Classifications

  • 396 - Photography
  • 074 - Machine element or mechanism
  • 200 - Electricity: circuit makers and breakers
  • 356 - Optics: measuring and testing