3223014

Information

• Patent Grant
• 3223014

• References
• Source

• Patent Number

  3,223,014

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1965
  59 years ago

• CPC

  • G03B9/20 - each moving in a single direction first to open and then to reclose
  • G03B9/08 - Shutters

• US Classifications

  • 396 - Photography