3350992

Information

• Patent Grant
• 3350992

• References
• Source

• Patent Number

  3,350,992

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1967
  57 years ago

• CPC

  • G04F3/025 - mechanically actuated
  • G03B9/58 - Means for varying duration of "open" period of shutter

• US Classifications

  • 396 - Photography
  • 968 - Horology