3593630

Information

• Patent Grant
• 3593630

• References
• Source

• Patent Number

  3,593,630

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1971
  53 years ago

• CPC

  • G03B9/26 - incorporating cover blade or blades
  • G03B7/085 - for control of aperture
  • G03B9/08 - Shutters
  • G03B9/10 - Blade or disc rotating or pivoting about axis normal to its plane

• US Classifications

  • 396 - Photography